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: Gastric juice contains acids?
1512 05eeb136fbc81cb2528f1ed1b
5eeb136fbc81cb2528f1ed1b- 1Acetic acidfalse
- 2Sulfuric acidfalse
- 3Hydrochloric acidtrue
- 4Nitric acidfalse
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Answer : 3. "Hydrochloric acid"
Q: Chemical structure of pearl is-
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5f72ec102d9d25248e04ce83- 1Calcium carbonatefalse
- 2Calcium carbonate and magnesium carbonatetrue
- 3Calcium chloridefalse
- 4Calcium sulfatefalse
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Answer : 2. "Calcium carbonate and magnesium carbonate"
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: If an alloy contains a metal mercury, what is it called?
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6127659a93f02206607ef8f6- 1mercury alloyfalse
- 2Iron Alloyfalse
- 3Amalgamtrue
- 4Zinc Alloyfalse
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Answer : 3. "Amalgam"
Q: The general name of the elements of 17th group are
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5f5721e0df171125cbc1ae4f- 1Metalsfalse
- 2Noble gasesfalse
- 3Transition elementsfalse
- 4Halogenstrue
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Answer : 4. "Halogens"
Q: Ant stings occur in?
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5eeb11b813d72d584fb3fef0- 1oxide acidfalse
- 2Formic acidtrue
- 3lactic acidfalse
- 4None of thesefalse
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Answer : 2. "Formic acid"
Q: What substance is formed by the action of chlorine gas on dry quenched lime?
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5f697f28e124a354ae5c0c7f- 1calcium chloridefalse
- 2bleaching powdertrue
- 3Hydrochloric acidfalse
- 4Waterfalse
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Answer : 2. "bleaching powder"
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