Question

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Answer 1

Answer:

5) 5cm

6) Neutralisation is a reaction where an acid reacts with an alkali to form a neutral solution of a salt and water.

Eg- When a person is suffering from acidity, he is advised to take antacid tablets. This is because the excessive acid present in the stomach is nullified by basic nature of antacids . When an ant bites us, we apply calamine solution to it .

8)

carbon - 6 - 2,4 - 4 - 4

sodium - 11 - 2,4,5 - 1 - 1

silicon - 14 - 2,4,8 - 4 - 4

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Answer 2

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