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प्रश्न
Fill in the cross word given in figure with the help of the clues provided.
Across
(2) The solution which does not change the colour of either red or blue litmus.
(4) Phenolphthalein gives pink colour in this type of solution.
(7) Colour of blue litmus in lemon juice.
Down
(1) It is used to test whether a substance is acidic or basic.
(3) It is a natural indicator and gives pink colour in basic solution.
(5) Nature of ant’s sting.
(6) It is responsible for the increase in temperature during a neutralisation reaction.
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उत्तर
Across
2. Neutral
4. Base
7. Red
Down
1. Indicator
3. Turmeric
5. Acidic
6. Heat
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संबंधित प्रश्न
A solution turns red litmus blue. Its pH is likely to be ______.
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State some of the uses of mineral acids in industry.
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Give four examples of preparation of acids by synthesis.
Vinu and Priyan take their lunch at school. Vinu eats lemon rice and Priyan eats curd rice. Both lemon rice and curd rice are sour in taste. What is the reason?
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