Chemistry GK Practice Question and Answer
8 4 Q:
5feb0909f33a00432aff0fc3 4 Q:
5eeb131bad25df5a632567d5 4 Q:
61275bc7dbe92e068b9111ff Answer : 3. "alkaline"
4 Q:
5feb08b7f6205c4d625d2e66 4 Q:
5feb073bd6478d50160f1f48 4 Q:
5eeb136fbc81cb2528f1ed1b 4 Q:
5eeae05113d72d584fb2f5c3 4 Q:
6127659a93f02206607ef8f6
Q: Thin wires can be pulled from a metal piece. For which property of the metal is it responsible?
1277 05feb0909f33a00432aff0fc3
5feb0909f33a00432aff0fc3- 1Tensiletrue
- 2hardnessfalse
- 3Malignancyfalse
- 4conductivityfalse
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Answer : 1. "Tensile"
Q: Used in removing permanent hardness of water?
1252 05eeb131bad25df5a632567d5
5eeb131bad25df5a632567d5- 1running sodatrue
- 2bleaching powderfalse
- 3Caustic sodafalse
- 4Baking Sodafalse
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Answer : 1. "running soda"
Q: The producers formed by the combustion of magnesium are -
1242 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: Which metal starts floating when put in water?
1219 05feb08b7f6205c4d625d2e66
5feb08b7f6205c4d625d2e66- 1calciumtrue
- 2Nickelfalse
- 3Magnesiumfalse
- 4Potassiumfalse
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Answer : 1. "calcium"
Q: Is zinc ore?
1207 05feb073bd6478d50160f1f48
5feb073bd6478d50160f1f48- 1zinc bladetrue
- 2Bauxitefalse
- 3sodium chloridefalse
- 4Sinawarfalse
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Answer : 1. "zinc blade"
Q: Gastric juice contains acids?
1186 05eeb136fbc81cb2528f1ed1b
5eeb136fbc81cb2528f1ed1b- 1Acetic acidfalse
- 2Sulfuric acidfalse
- 3Hydrochloric acidtrue
- 4Nitric acidfalse
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Answer : 3. "Hydrochloric acid"
Q: Oxides commonly occur in metals?
1176 05eeae05113d72d584fb2f5c3
5eeae05113d72d584fb2f5c3- 1acidicfalse
- 2Effortlessfalse
- 3Amphotericfalse
- 4Alkalinetrue
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Answer : 4. "Alkaline"
Q: If an alloy contains a metal mercury, what is it called?
1175 06127659a93f02206607ef8f6
6127659a93f02206607ef8f6- 1mercury alloyfalse
- 2Iron Alloyfalse
- 3Amalgamtrue
- 4Zinc Alloyfalse
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