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Chemistry - Acids and Bases and Salts

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76. Which of the following are exothermic processes?

(A) Reaction of water with quick lime

(B) Dilution of an acid

(C) Evaporation of water

(D) Sublimation of Camphor (Crystals)                (NTSE Chandigarh, Stage-I, 2014-15)

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77. Which one of the following is not a base? (NTSE Delhi, Stage-I, 2014-15)

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78. Which of the following solution has the lowest pH value? (NTSE Delhi, Stage-I, 2014-15)

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79. Which of the following has the greatest concentration of H+ ions? (NTSE Delhi, Stage-I, 2014-15)

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80. 'Milk of magnesia' is often used as (NTSE Delhi, Stage-I, 2015-16)

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Acids and Bases and Salts