Chemistry Practice Question and Answer
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Q: Potassium nitrate is used in
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5f6c2e19ec13dd7480faf0f8- 1medicinefalse
- 2saltfalse
- 3glassfalse
- 4fertilisertrue
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Answer : 4. "fertiliser"
Q: Which of the following is not a normal salt?
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5fe9a5d9755fc73bd0795223- 1$$ {Na_2SO_4}$$false
- 2$$ {NaHSO_4}$$true
- 3$$ {Na_3PO_4}$$false
- 4$$ {CaSO_4}$$false
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Answer : 2. "$$ {NaHSO_4}$$"
Q: Which of the following properties is not often present in organic compounds?
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6127662693f02206607f017f- 1soluble in watertrue
- 2low melting pointfalse
- 3flammabilityfalse
- 4allfalse
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Answer : 1. "soluble in water"
Q: Gasohol is –
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5ef2efc081a47f2e7aebe259- 1Any gas dissolved in alcoholfalse
- 2Ethyl alcohol + Kerosene oilfalse
- 3Ethyl alcohol + Petroltrue
- 4Natural Gas + Ethyl alcoholfalse
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Answer : 3. "Ethyl alcohol + Petrol "
Q: Thin wires can be pulled from a metal piece. For which property of the metal is it responsible?
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5feb0909f33a00432aff0fc3- 1Tensiletrue
- 2hardnessfalse
- 3Malignancyfalse
- 4conductivityfalse
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Answer : 1. "Tensile"
Q: Which metal does not react with oxygen even at higher temperatures?
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5feb081400e3f71b828c2fed- 1Ironfalse
- 2Goldtrue
- 3Potassiumfalse
- 4Aluminumfalse
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Answer : 2. "Gold"
Q: Oxides commonly occur in metals?
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5eeae05113d72d584fb2f5c3- 1acidicfalse
- 2Effortlessfalse
- 3Amphotericfalse
- 4Alkalinetrue
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Answer : 4. "Alkaline"
Q: The atoms, in which the number of Protons is same but the number of neutrons is different, are known as –
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5f0ecf31b6738d790d13d1ea- 1Isotonesfalse
- 2Isotopestrue
- 3Isobarsfalse
- 4Isomersfalse
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Answer : 2. "Isotopes"
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