Question

chemistry Class 9....​

Answer 1

Answer:

1.) Lead, nitrogen and oxygen

2.) 64

3.) Reactant

4.) Endothermic thermic

5.) iron ii hydroxide

6.) H2So3

7.) 0cc

8.) Decreases

9.) positive

10.) - 173 C

Answer 2

Answer:

64

Explanation:

32+(16x2)

32+32

64

Hope you find the answer helpfull :)