Chemistry Practice Question and Answer
8 4 Q:
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Q: What is the mass number of an element, the atom of which contains two Protons, two neutrons and two electrons?
1812 05ee35e7455d51a0f6482cd3c
5ee35e7455d51a0f6482cd3c- 12false
- 24true
- 36false
- 48false
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Answer : 2. "4 "
Q: Ant stings occur in?
1809 05eeb11b813d72d584fb3fef0
5eeb11b813d72d584fb3fef0- 1oxide acidfalse
- 2Formic acidtrue
- 3lactic acidfalse
- 4None of thesefalse
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Answer : 2. "Formic acid"
Q: The general name of the elements of 17th group are
1805 05f5721e0df171125cbc1ae4f
5f5721e0df171125cbc1ae4f- 1Metalsfalse
- 2Noble gasesfalse
- 3Transition elementsfalse
- 4Halogenstrue
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Answer : 4. "Halogens"
Q: What is an alloy of copper and tin called?
1804 0612763cc93f02206607ee80f
612763cc93f02206607ee80f- 1brassfalse
- 2Duraluminfalse
- 3Bronzetrue
- 4Solderfalse
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Answer : 3. "Bronze"
Q: What is the pH value of salts made from strong acids and weak bases?
1799 05f6990bb558d255013b2c2aa
5f6990bb558d255013b2c2aa- 1more than 7false
- 2less than 7true
- 3Between 10 and 14false
- 4less than 14false
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Answer : 2. "less than 7"
Q: Water gas is the mixture of
1793 05ed8add854f88e519fa1b8c9
5ed8add854f88e519fa1b8c9- 1carbon dioxide and hydrogenfalse
- 2carbon monoxide and hydrogentrue
- 3carbon dioxide and nitrogenfalse
- 4carbon monoxide and nitrogen bearfalse
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Answer : 2. "carbon monoxide and hydrogen "
Q: Which gas accumulates at the anode after electromagnetic decomposition of alumina?
1792 05feb077f00e3f71b828c2c39
5feb077f00e3f71b828c2c39- 1Hydrogen gasfalse
- 2nitrogen gasfalse
- 3Carbon dioxide gasfalse
- 4oxygen gastrue
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Answer : 4. "oxygen gas"
Q: is silica?
1790 061276505b05363065a00aaf5
61276505b05363065a00aaf5- 1metalloidstrue
- 2metalfalse
- 3non-metalsfalse
- 4none of thesefalse
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Answer : 1. "metalloids"
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