Chemistry in everyday life

31. One property of ammonia is A. it is insoluble in water B. it is a odourless gas C. it is a yellowish gas D. its aqueous solution tums red litmus blue

it is insoluble in water
it is a odourless gas
it is a yellowish gas
its aqueous solution tums red litmus blue

Detailed SolutionOne property of ammonia is A. it is insoluble in water B. it is a odourless gas C. it is a yellowish gas D. its aqueous solution tums red litmus blue

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32. Which one among the following is not an example of ceramics? A. Beryllia B. Zirconia C. Alumina D. Geraniol

Beryllia
Zirconia
Alumina
Geraniol

Detailed SolutionWhich one among the following is not an example of ceramics? A. Beryllia B. Zirconia C. Alumina D. Geraniol

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33. What is detergent? A. Soap B. Medicine C. Catalyst D. Refining agent

Soap
Medicine
Catalyst
Refining agent

Detailed SolutionWhat is detergent? A. Soap B. Medicine C. Catalyst D. Refining agent

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34. The most suitable vessel for storing concentrated sulphuric acid is A. copper vessel B. aluminium vessel C. glass vessel D. earthen vessel

copper vessel
aluminium vessel
glass vessel
earthen vessel

Detailed SolutionThe most suitable vessel for storing concentrated sulphuric acid is A. copper vessel B. aluminium vessel C. glass vessel D. earthen vessel

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35. Aspirin is obtained from A. petroleum B. earth C. a tree D. chemical reaction of acids

petroleum
earth
a tree
chemical reaction of acids

Detailed SolutionAspirin is obtained from A. petroleum B. earth C. a tree D. chemical reaction of acids

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36. Humus’ is an example of A. soil structure B. crystalloids C. organic colloids D. none of the above

soil structure
crystalloids
organic colloids
none of the above

Detailed SolutionHumus’ is an example of A. soil structure B. crystalloids C. organic colloids D. none of the above

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37. PVC is obtained by the polymerisation of A. propane B. vinyl chloride C. styrene D. acetylene

propane
vinyl chloride
styrene
acetylene

Detailed SolutionPVC is obtained by the polymerisation of A. propane B. vinyl chloride C. styrene D. acetylene

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38. Which one of the following substances is most likely to be used as soap? A. CH3(CH2)12COOCH3 B. CH3(CH2)5O(CH2)5CH3 C. CH3(CH2)12COONa D. CH3(CH2)12CHCl2

CH3(CH2)12COOCH3
CH3(CH2)5O(CH2)5CH3
CH3(CH2)12COONa
CH3(CH2)12CHCl2

Detailed SolutionWhich one of the following substances is most likely to be used as soap? A. CH3(CH2)12COOCH3 B. CH3(CH2)5O(CH2)5CH3 C. CH3(CH2)12COONa D. CH3(CH2)12CHCl2

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39. CNG is A. Compressed Natural Gas B. Cyanogen Natural Gas C. Condensed Nitrogen Gas D. Controlled Natural Gas

Compressed Natural Gas
Cyanogen Natural Gas
Condensed Nitrogen Gas
Controlled Natural Gas

Detailed SolutionCNG is A. Compressed Natural Gas B. Cyanogen Natural Gas C. Condensed Nitrogen Gas D. Controlled Natural Gas

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40. KMnO4 can be used as alan A. insecticide B. fertiliser C. pesticide D. disinfectant

insecticide
fertiliser
pesticide
disinfectant

Detailed SolutionKMnO4 can be used as alan A. insecticide B. fertiliser C. pesticide D. disinfectant

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