Chemistry GK Practice Question and Answer
8 4 Q:
61275bc7dbe92e068b9111ff Answer : 3. "alkaline"
4 Q:
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5f6990bb558d255013b2c2aa 4 Q:
5f698ddb558d255013b2a71b 4 Q:
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5eeb1454eee45c3b837b02d4 4 Q:
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Q: The producers formed by the combustion of magnesium are -
960 061275bc7dbe92e068b9111ff
61275bc7dbe92e068b9111ff- 1is acidicfalse
- 2is indifferentfalse
- 3alkalinetrue
- 4allfalse
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Answer : 3. "alkaline"
Explanation :
Therefore, the correct option is (C) Magnesium ribbon on burning in air produces: 'Magnesium oxide, heat and light'.
Q: What type of acid is found in curd?
959 05f697af5558d255013b2469e
5f697af5558d255013b2469e- 1lactic acidtrue
- 2citric acidfalse
- 3Oxalic acidfalse
- 4Othersfalse
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Answer : 1. "lactic acid"
Q: What is an alloy of copper and tin called?
945 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?
927 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: Which of the following is not oxidation?
919 05f698ddb558d255013b2a71b
5f698ddb558d255013b2a71b- 1precipitationtrue
- 2Digestion of foodfalse
- 3Respirationfalse
- 4combustionfalse
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Answer : 1. "precipitation"
Q: Oxides commonly occur in metals?
914 05eeae05113d72d584fb2f5c3
5eeae05113d72d584fb2f5c3- 1acidicfalse
- 2Effortlessfalse
- 3Amphotericfalse
- 4Alkalinetrue
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Answer : 4. "Alkaline"
Q: There is abundant available metal in the crust?
907 05eeb1454eee45c3b837b02d4
5eeb1454eee45c3b837b02d4- 1SIfalse
- 2FEfalse
- 3ALtrue
- 4CUfalse
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Answer : 3. "AL"
Q: Ant stings occur in?
904 05eeb11b813d72d584fb3fef0
5eeb11b813d72d584fb3fef0- 1oxide acidfalse
- 2Formic acidtrue
- 3lactic acidfalse
- 4None of thesefalse
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Answer : 2. "Formic acid"
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