MULTIPLE CHOICE QUESTIONS
Which of the following correctly represents 360 g of water?
(i) 2 moles of H2O
(ii) 20 moles of water
(iii) 6.022 x 1023 molecules of water
(iv) 1.2044 1025 molecules of water
| (a) (1)
(b) (I) and (iv)
(c) (ii) and (iii)
(d) (i) and (iv)
The chemical symbol for nitrogen gas is
(a) Ni
(6) Na
(d) N
(C) N+
Answers
Answered by
1
Answer:
20 moles of water represents 360 g of water.
Na is the chemical symbol of nitrogen
Answered by
2
Answer:
1. (ii) and (iv)...
2. N.....
Similar questions