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- What chemical process is used for obtaining a metal from its oxide?
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
 10/1/2010
Chemical Process, Metal From Its Oxide, Reduction, Displacement Reactions, Reactive Metals, Sodium, Calcium, Aluminium, Compounds
- Differentiate between metal and non-metal on the basis of their chemical properties.
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
10/1/2010
Difference Between Metal And Non-metals, Basic Oxides, Hydrogen From Water, Dilute Acids, Ionic Chlorides, Electrolytes, Ionic Metal Hydrides, Acidic Oxides, Neutral Oxides, Covalent Hydrides
- Which of the following pairs will give displacement reactions?
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
1/2/2010
Displacement Reactions, Copper Metal, Aluminium Metal, Silver Metal, Copper Metal, Salt Solution
- An element reacts with oxygen to give a compound with a high melting point
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
1/2/2010
Oxygen, High Melting Point, Soluble In Water, Calcium, Carbon, Silicon, Iron, Metal Have A Low Melting Point, Silicon High Melting Point
- Give reasons why copper is used to make hot water tanks and not steel (an alloy of iron).
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
1/2/2010
Copper, Alloy of Iron, Good Conductor of Heat, Good Conductor of Electricity, Copper Properties, Uses of Copper, History of Copper
- You are given a hammer, a battery, a bulb, wires and a switch.
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
1/2/2010
Samples of Metals, Distinguishing Between Metals And Non- Metals, Hydrogen Metal Nonmetal, Melting Points Metals Non Metals, Chemistry Metals Non Metals
- Food cans are coated with thin and not with zinc because
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
1/2/2010
Zinc, Zinc Supplement, Zinc Properties. Zinc Definition, Definition of Zinc Sulfate, Zinc Reactions, Zinc And Tin, Zinc Tin Alloy
- What are amphoteric oxides? Give two examples of amphoteric oxides.
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
1/2/2010
Amphoteric Oxides, Aluminium Oxide, Zinc Oxide, Examples of Amphoteric Oxide
- In the electrolytic refining of a metal M, what would you take as the anode, the cathode and the electrolyte?
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
1/2/2010
Electrolytic, Anode, Cathode, Electrolyte, Electrolytic Refining, Copper, Sulphate Solution, Copper
- A man went door to door posing as a goldsmith. He promised to bring back the glitter of old and dull gold ornaments. An unsuspecting lady gave a set of gold bangles to him which he dipped in a particular solution. The bangles sparkled like new but their weight was reduced drastically. The lady was upset but after a futile argument the man beat a hasty retreat. Can you play the detective to find out the nature of the solution he had used?
Science [10], Science - Metals and Non-metals,
Central Board of Secondary Education
1/2/2010
Gold Ornaments, Aqua Regia, Hydrochloric, Concentrated Nitric Acid, Aqua Regia Chemistry, Dictionary Definition Aqua Regia, Dilute Aqua Regia
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Total 'Solved Questions' available now: 31 |
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