Question

A. VERY SHORT ANSWER TYPE QUESTIONS
1. Fill in the blanks.
(a) When we use blue litmus paper as an indicator, it gives
(b) Turmeric turns
in acidic solutions.
tot China rose indicator is turned by a basic solution.
(d) Base found in lime water is
(el Ant sting has
acid.

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Answer 1

(a) if blue litmus paper diped in acid it give red colour

(b) Turmeric paper turns into red when it is dipped into basic solution. Turmeric paper does not change its colour with acid. China Rose: China rose is another natural indicator.

(c) calcium hydroxide

(d) Formic acid, a component of ant venom uncommon in bee or wasp stings, is derived from the superfamily name Formiciacid

Answer 2

Answer:

a - it turns blue litmus to red when the solution is acidic , and it doesn't change its colour when it is base.

d- calcium hydroxide

b- turmeric turns red in colour when the solution is acidic

e- formic acid