General Science Practice Question and Answer
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Q: Which of the following is the softest?
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5eeb1496eee45c3b837b0312- 1Sodiumtrue
- 2Copperfalse
- 3Ironfalse
- 4Aluminumfalse
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Answer : 1. "Sodium"
Q: There is abundant available metal in the crust?
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5eeb1454eee45c3b837b02d4- 1SIfalse
- 2FEfalse
- 3ALtrue
- 4CUfalse
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Answer : 3. "AL"
Q: Which is the first metal used by humans?
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5eeb13ffad25df5a63256bd3- 1Goldfalse
- 2Ironfalse
- 3Coppertrue
- 4Silverfalse
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Answer : 3. "Copper"
Q: Gastric juice contains acids?
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5eeb136fbc81cb2528f1ed1b- 1Acetic acidfalse
- 2Sulfuric acidfalse
- 3Hydrochloric acidtrue
- 4Nitric acidfalse
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Answer : 3. "Hydrochloric acid"
Q: Used in removing permanent hardness of water?
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5eeb131bad25df5a632567d5- 1running sodatrue
- 2bleaching powderfalse
- 3Caustic sodafalse
- 4Baking Sodafalse
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Answer : 1. "running soda"
Q: What is the acid found in bees?
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5eeb1221ad25df5a63256400- 1Formic acidtrue
- 2Acetic acidfalse
- 3Carbolic acidfalse
- 4Oxalic acidfalse
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Answer : 1. "Formic acid"
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: Oxides commonly occur in metals?
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5eeae05113d72d584fb2f5c3- 1acidicfalse
- 2Effortlessfalse
- 3Amphotericfalse
- 4Alkalinetrue
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Answer : 4. "Alkaline"
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