Question

write (true) or (false)

(1) earthquake is caused by disturbance deep inside the earths crust . T/F
(2) chlorination makes water dirty. T/F
(3) lemon juice is conductor electricity. T/F
​

Answer 1

Explanation:

1) True

2)False

3)True

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Answer 2

Given statements are true, false and true.

1. Earthquake is a natural disaster which occurs due to shaking of Earth's surface. The shaking occurs at boundaries of tectonic plates due to presence of fault lines at that place.
2. Chlorination kills the pathogenic microorganisms present in water. The process uses salts of chlorine for treatment of water making it suitable for human consumption
3. Lemon juice has citric acid from lemon, whcih is a weak acid. It dissociates into its constituent ions thus conducting electricity.