Question

True or false
1)the reaction between salt and water is an example of exothermic reaction.
2)the speed of a chemical reaction depends on the catalyst used in the chemical reaction.
3)the pale yellow silver bromide turns grey when exposed to sunlight.

Answer 1

False in 1 and 2. True in 3rd

Answer 2

1 TRUE

1 TRUE2 FALSE

1 TRUE2 FALSE 3 FALSE

.

.

.

.

THANK YOU