Ans 1. Across: (2) Neutral (4) Basic (5) Red
Down: (1)Indicator (3)turmeric (5)Acidic
(6)Heat
Ans 2. Solution A - Acidic, Solution B - Basic, solution C - Neutral
Ans3. The effect of antbite is neutralized by rubbing moist baking soda
Ans 4. (a)-III, (b) -v, (c)- (iv), (d)- (i), (e)- (ii)
Ans5. (a)sour, acid
(b) natural
(c) magenta(dark pink)
(d) react with, salt
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