Elements and Substances

Elements and Substances
On burning metals react with oxygen to produce
Metal oxide
Metal chloride
Metal sulphate
Metal hydroxide
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Elements and Substances
Which one of the following metal is used thermometers?
Iron
Copper
Mercury
Aluminium
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Elements and Substances
Zinc replaces copper from
Copper oxide
Zinc sulphate
Sulphuric acid
Copper sulphate
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Elements and Substances
Alloys are a form of
metal
mixture
compound
transition metals
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Elements and Substances
Which one of the following is in crackers?
Metals
Non-Metals
Semi metals
All of these
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Elements and Substances
The sulphuric acid turns blue litmus paper into
Red
Green
Yellow
Dark blue
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Elements and Substances
What happens when dilute sulphuric acid is poured on a copper plate?
Zinc sulphate formed
Zinc chloride formed
Copper sulphate formed
Copper chloride formed
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Elements and Substances
What is the product when sulphur reacts with oxygen?
Sulphuric acid
Sulphur trioxide
Sulphur dioxide
Sulphurous acid
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Elements and Substances
Which one of the following gas burns with the “pop” sound?
Oxygen
Chlorine
Hydrogen
Hydrogen sulphide
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Elements and Substances
Which material is hard in nature?
Iron
Coal
Wood
Oxygen
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