Question

Class 9
Q . Reema observed that the heat is produced when
water is added to pure (absolute ) alcohol or
concentrated sulphuric acid is added to water .
Does the process involve a chemical change? Explain

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Answer 1

Answer:

• No,it doesn't involve any chemical chang when we add alcohol or sulphuric acid it will boil or when we add iron sulphate it will form blue colored crystals

Explanation:

the water will boil on 100 degrees Celsius

Answer 2

Explanation:

please yrr tell me the answer