Previous Years Based SSC GK (General Knowledge) MCQs

61. Any undesirable change in physical, chemical or biological characteristics of air, land, water or dsoil is called?
[A] Greenhouse effect
[B] Solid wastes
[C] Pollution
[D] Deforestation

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62. Which base is present in soap?
[A] Ammonium hydroxide
[B] Sodium hydroxide
[C] Silicon dioxide
[D] Calcium hydroxide

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63. What is the name of the acid in an ant’s sting?
[A] Formic acid
[B] Citric acid
[C] Lactic acid
[D] Acetic acid

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64. Which of the following attributes specify (in pixels) the distance between two adjacent cells?
[A] Height
[B] Cellspacing
[C] Width
[D] Cellpadding

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