Question

Q. II. True on false. (1x5=5)

(1) Indicators react with acids and base to for new Substance are responsible for change in colour. [ ]

(2) We use different chalk and water as indicators. [ ]

(3) pH value is used to show the amount of hydrogen ions (H+) in dilute solutions on a scale of 0 to 14. [ ]

(4) S.I. unit of heat is kelvin. [ ]

(5) The heat energy required for change in state is known as latent heat energy.​

Answer 1

Answer:

1) false

2) false

3) true

4)false

5) true

Answer 2

Answer:

1) True

2) True

3) True

4) False