assertion and reason assrrtion (A) when HCL is added to zinc granules a chemical reaction occurs. Reason (R) evolution of gas and change in colour indicate that the chemical reaction is taking place.
Answers
Answer:
(a) Both A and R are true and R is the correct explanation of A.
Explanation:
As zinc chloride(white in colour) is formed along with liberation of hydrogen gas.
Correct answer is Option (a) Both A and R are true and R is the correct explanation of A.
Assertion and reasons help to finds the reason
Explanation:
• When dilute hydrochloric acid is added to a test tube containing granulated zinc a chemical reaction occurs.
• here we see that a colourless and odourless gas evolves with bubbles from the test tubes.
• Thus, when dilute hydrochloric acid is added to granulated zinc placed in a test tube,
• the observation made is a colourless and odourless gas evolves with bubbles.
Assertion A) when HCL is added to zinc granules a chemical reaction occurs. Reason (R) evolution of gas and change in colour indicate that the chemical reaction is taking place.
Answer Both A and R are true and R is the correct