Chemistry Practice Question and Answer
8 Q:Read the following questions carefully and answer them.
Polythene is polymer of
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63aaaa17afa10611461dd6cd- 1Ethylenetrue
- 2Propylenefalse
- 3Acetylenefalse
- 4Anilinefalse
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Answer : 1. "Ethylene "
Q:Read the following questions carefully and answer them.
Curd is sour due to presence of
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63aaa987afa10611461dd172- 1Tartaric acidfalse
- 2Lactic acidtrue
- 3Acetic acidfalse
- 4Oxalic acidfalse
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Answer : 2. " Lactic acid "
Q:Read the following questions carefully and answer them.
Cloud is a colloidal dispersion of
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63aaa9205770eb565d50124f- 1Air in a dispersion medium of waterfalse
- 2Fog in a dispersion medium of waterfalse
- 3Mist in a dispersion medium of airfalse
- 4Water drops in a dispersion medium of airtrue
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Answer : 4. "Water drops in a dispersion medium of air"
Q:Read the following questions carefully and answer them.
Which of the following is the main nitrogenous waste in humans ?
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63aaa8a35770eb565d50089c- 1Ammoniafalse
- 2Ureafalse
- 3Uric Acidtrue
- 4Ammonium Nitratefalse
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Answer : 3. "Uric Acid "
Q:Read the following questions carefully and answer them.
The advantage of detergents over soaps is
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63aaa809afa10611461dc17d- 1Detergents are soluble in waterfalse
- 2Detergents could not give much latherfalse
- 3Detergents give lather even with hard watertrue
- 4Soaps give lather with only soft waterfalse
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Answer : 3. "Detergents give lather even with hard water "
Q:Read the following questions carefully and answer them.
The gas used for artificial fruit ripening of green fruit is —
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63aaa7625770eb565d4ffc85- 1Ethylenetrue
- 2Acetylenefalse
- 3Ethanefalse
- 4Methanefalse
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Answer : 1. "Ethylene "
Q:Read the following questions carefully and answer them.
“All the four quantum numbers of two electrons in an atom are not the same.” It is the law of —
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63aaa6fc5770eb565d4ff628- 1Hund’sfalse
- 2Exclusion Principle of Paulitrue
- 3Uncertainty Principle of Heisenbergfalse
- 4Avogadro’s Lawfalse
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Answer : 2. " Exclusion Principle of Pauli "
Q: Which one of the following is non-reducing sugar?
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638de33134f83f14728e2d6e- 1Glucosefalse
- 2Sucrosetrue
- 3Maltosefalse
- 4Lactosefalse
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