Question

some essays and dangerous, others are not explain command with example?

Answer 1

Certain chemical properties make an acid dangerous......For e.g., sulphuric acid has the property of absorbing water. Thus when it spills on the body, it can cause severe burns. Nitric acid similarly is an oxidizing agent. It reacts violently with the skin, muscles and bones to cause lethal damage. Certain other organic acids like citric acid, malic acid, acetic acid (in little concentrations) are not harmful and are edible. They are found in fruits.

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Answer 2

The working definition of literacy in the Indian census since 1991 is as follows: Literacy rate. Also called the "effective literacy rate"; the totalpercentage of the population of an area at a particular time aged seven years or above who can read and write with understanding.