Chemistry Practice Question and Answer
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Q: Which of the following is not a normal salt?
1875 05fe9a5d9755fc73bd0795223
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: Diamond has the nature of chemical bond?
1874 05eeadec5ad25df5a63247e16
5eeadec5ad25df5a63247e16- 1Ionicfalse
- 2Metallicfalse
- 3Deputy Co-ordinatorfalse
- 4covalenttrue
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Answer : 4. "covalent"
Q: The basis of classification of elements in modern periodic table is based on___.
1867 05f8fcca5c380c466d4dcef2c
5f8fcca5c380c466d4dcef2c- 1Atomic numbertrue
- 2Atomic massfalse
- 3Atomic volumefalse
- 4Atomic densityfalse
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Answer : 1. "Atomic number "
Q: Gold is alloyed with which metal to make it harder?
1866 05f571a5b79cfd646ddd37291
5f571a5b79cfd646ddd37291- 1Cfalse
- 2Snfalse
- 3Cutrue
- 4Agfalse
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Answer : 3. "Cu"
Q: Which metal starts floating when put in water?
1862 05feb08b7f6205c4d625d2e66
5feb08b7f6205c4d625d2e66- 1calciumtrue
- 2Nickelfalse
- 3Magnesiumfalse
- 4Potassiumfalse
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Answer : 1. "calcium"
Q: Baking soda is
1861 05f04358ed996064ceba911d9
5f04358ed996064ceba911d9- 1Sodium Sulphatefalse
- 2Sodium Hydroxidefalse
- 3Sodium Chloridefalse
- 4Sodium Bicarbonatetrue
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Answer : 4. "Sodium Bicarbonate "
Q: Thin wires can be pulled from a metal piece. For which property of the metal is it responsible?
1852 05feb0909f33a00432aff0fc3
5feb0909f33a00432aff0fc3- 1Tensiletrue
- 2hardnessfalse
- 3Malignancyfalse
- 4conductivityfalse
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Answer : 1. "Tensile"
Q: Chemical structure of pearl is-
1849 05f72ec102d9d25248e04ce83
5f72ec102d9d25248e04ce83- 1Calcium carbonatefalse
- 2Calcium carbonate and magnesium carbonatetrue
- 3Calcium chloridefalse
- 4Calcium sulfatefalse
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Answer : 2. "Calcium carbonate and magnesium carbonate"
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