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61 Cards in this Set
- Front
- Back
Define conductors of heat.
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Any object that conducts heat is called conductor of heat.
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Define term malleable.
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A metal that can be hammered into thin sheets it is called malleable.eg.Gold,Aluminium
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Give one word for:-
A metal that can be hammered into thin sheets |
Malleable
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Define term - Ductile
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Metal that can be drawn into fine wires.eg.Tungsten
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Metal that can be drawn into fine wires
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Ductile
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What is Tungsten used for?
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To make thin filaments in electric bulbls.
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Metal used to make thin filaments in electric bulbs
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Tungsten (W)
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Symbol of tungsten
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W
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Which gas is present in -
the bright yellow lamps used for street lighting. |
Sodium vapour
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Which gas is present in -
the bluish lamps used for street lighting. |
Mercury vapour
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Use of Sodium vapour
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used in the bright yellow lamps used for street lighting.
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Use of Mercury vapour
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Used in the bluish lamps used for street lighting.
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Use of O2 in daily life
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Helps seriously sick patients in hospitals
Helps climbers on high mountains and deep sea divers to breathe comfortably |
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Symbol and Use of Aluminium
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Al
To make aluminium foil, cans for soft drinks |
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A non-metal which is used to vulcanize rubber
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Sulphur (S)
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A non-metal which is used to make torch cells
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Carbon (C)
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A gaseous element used to amke lights in signboards
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Neon (Ne)
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A metal which is used to make fire-workds
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Magnesium (Mg)
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A non-metal whcose compound is used to make non-stick cooking pans as well as modern computer
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Silicon (Si)
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Compound used in photographic films
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Silver Chloride (AgCl)
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Complex molecule with formula
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Glucose C6H12O6
CAne Sugar C12H22O11 |
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Write balanced equation and state the type of reaction
Calcium Carbonate ---> Calcium Oxide + Carbon Dioxide |
CaCO3 --> CaO + CO2
Decomposition Reaction |
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Write balanced equation and state the type of reaction
Iron + Sulphur --> IronSulphide |
Fe + S --> FeS
Combination Reaction |
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Write balanced equation and state the type of reaction
Mercuric Oxide --> Mercury + Oxygen |
2HgO --> 2Hg + O2
Decomposition Reaction |
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Write balanced equation and state the type of reaction
Lead Oxide + Nitric Acid --> Lead Nitrate + Water |
PbO + 2HNO3 ---> Pb(NO3)2 + H2O
Neutralisation Reaction |
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Write balanced equation and state the type of reaction
Phosphorous + Chlorine ---> Phosphorous Trichloride |
P + 3Cl ---> PCl3
Combination Reaction |
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Write balanced equation and state the type of reaction
Zinc + Nitric Acid ---> Zinc Nitrate + Hydrogen |
Zn + HNO3 --> Zn(NO3)2 + H2
Displacement Reaction |
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Write balanced equation and state the type of reaction
Sodium Hydroxide + Sulphuric Acid --> Sodium Sulphate + Water |
2NaOH + H2SO4 ---> Na2SO4 + 2H2O
Neutralization Reaction |
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Write balanced equation and state the type of reaction
Carbon Monoxide + Oygen ---> Carbon Dioxide |
2CO + O2 --> 2CO2
Combination Reaction |
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Write balanced equation and state the type of reaction
Magnesium + Hydrochloric Acid ---> Magnesium Chloride + Hydrogen |
Mg + 2HCl ---> MgCl2 + H2
Displacement Reaction |
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Write balanced equation and state the type of reaction
Hydrogen + Oxygen ---> Water |
2H2 + O2 ---> 2H2O
Combination Reaction |
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Write balanced equation and state the type of reaction
Zinc Oxide + Hydrochloric Acid ---> Zinc Chloride + Water |
ZnO + 2HCl ---> ZnCl2 + H2O
Neutralisation Reaction |
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Alloy of this metal are used to make aeroplanes
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Aluminium
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Poisionous chemical used to kill plant pests
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copper Sulphate
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Soft form of carbon
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Graphite
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Process that turns natural rubber into elastic rubber to be made into tyres
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vulcanisation
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chemical added to water to purify it
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chlorine
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Copper, a good conductor of electricity, is used to make this
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Electrical wires
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Substance used to reduce friction in machinery
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Lubricant
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Marble and egg shells are made of this compound.
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calcium carbonate
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Alloy of copper and zinc
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brass
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Metal used in atomic reaction
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uranium
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Alloy made of steel and chromium
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Stainless Steel
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Compounds of this metal are used to make computer parts
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Silicon
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Compounds containing Carbon and Hydrogen only
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Hydrocarbons
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Mixture of 2 or more metals
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Alloy
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Salt used as a fertiliser
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Potassium Nitrate
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Common Name for Calcium Carbonate
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Plaster of Paris
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Name the compound CH4
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Methane
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Compounds containing C, H, O and N.
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Proteins
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Chemical formula of this simple sugar is C6H12O6
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Glucose
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An oxide used in paints
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Zinc Oxide
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Give one example of each acids:
Monobasic Dibasic Tribasic |
HCl
H2SO4 H3PO4 |
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Name the natural indicator which becomes brick red in alkalie
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Haldi
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Give example of one exothermic reaction
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When quicklime is mixed in water it produces heat and forms Slaked Lime .
CaO + H2O = Ca(OH)2 |
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Which of the following oxides give rise to an Alkali:
Oxides of Carbon Zinc Oxide Sulphur Dioxide None of these |
None
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Which of the following are salts:
Calcium Carbonate Sodium Chloride Potassium Nitrate All |
All
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Which of the following reactions do not form a salt?
1. Copper Oxide and Hydrochloric Acid 2. Sodium + Water 3. Copper Oxide + Hydrochloric Acid 4. Zinc + dilute Sulphuric acid |
2.Sodium + Water
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Ca(OH)Cl is a
1. base 2. acid 3. acid salt 4. basic salt |
4.
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_____ + Sodium hydroxide ---> Sodium Phosphate + Water
Complete the equation and balance it. |
H3PO4 + 3NaOH ---> Na3PO4 + 3H2O
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Give example of one acid salt with formula
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Sodium Hydrogen Sulphate
NaHSO4 |