Question

Tooth paste changes the colour of china rose to:
(A) Red
(B) Blue (C) Green (D) None of
these
12 Phenolphthalein will give pink colour with:
(A) Common salt solution (B) Tomato juice
(C) Hair shampoo
(D) None of these
13. The reaction between an acid and a base is known as:
(A) Neutralisation
(B) Dehydration
(C) Reduction
(D) Hydrolysis
14. During Neutralization:
(A) Heat is evolved
(B) Heat is absorbed
(C) Heat is neither evolved nor absorbed
(D) Any of these
15. Milk of magnesia is:
(A) Aluminium hydroxide
(B) Calcium hydroxide
(C) Magnesium hydroxide
(D) Mixture of Aluminium hydroxide and Magnesium hydroxide
16.
should be added to the soil solution if it
changes the colour of turmeric solution to red.
(A) Quick lime
(B) Slaked lime
(C) Baking soda
(D) Manure​

Answer 1

Answer:

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1. b
2. d
3. a
4. c
5. c
6. d

Explanation:

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Answer 2

Answer:

13) neutralization reaction