Chemistry Practice Question and Answer
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Q: Which of the following is considered to be the fifth state of matter?
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64242bd8dcb650c14569c06c- 1Bose-Einstein condensatetrue
- 2Plasmafalse
- 3Solidfalse
- 4Gasfalse
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Answer : 1. "Bose-Einstein condensate "
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: Plastic bottles are made of a polymer called PET. The expanded form of PET is
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6389c01134f83f1472741741- 1Polyethylene terephthalatetrue
- 2Polyethyl Terelenefalse
- 3Polyethylene triphosphatefalse
- 4Polyethyl tetrachloridefalse
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Answer : 1. "Polyethylene terephthalate"
Q: Which is widely used in the plastic industry for manufacturing Bakelite?
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6389c1e8c878936066e77493- 1Ethyl Alcoholfalse
- 2Phenoltrue
- 3Ortho-Cresolfalse
- 4Catecholfalse
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Answer : 2. "Phenol"
Q: Which among the following is false about natural rubber?
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6389bb3dc878936066e74a7b- 1It is an elastomerfalse
- 2It is a monomer of cis-isoprenefalse
- 3Natural rubber is a polymer of chlororprenetrue
- 4It is heated with sulphur compounds to improve its propertiesfalse
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Answer : 3. "Natural rubber is a polymer of chlororprene"
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: What is the bond between two amino acids in a protein called?
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6389b6699ebad6607b7f07fe- 1Ester bondfalse
- 2Glycosidic bondfalse
- 3Peptide bondtrue
- 4Phosphodiester bondfalse
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Answer : 3. "Peptide bond"
Q: Which of the following is not a lewis acid?
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63c7a61fbdbddb32fd9cc85f- 1aluminum chloridefalse
- 2sodium ionfalse
- 3Sulphur tetrafluoridefalse
- 4hydroxide iontrue
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Answer : 4. "hydroxide ion"
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