Question

1) Water
(d) All of the above
[Ans. (b)
2.18. Read the following and answer ANY FOUR questions from 18(i) to 18(v).
Question number 5(a)-5(d) are based on the following figure. In the figure the first twenty
elements are jumbled up. Study the figure and answer the questions that follow.
1x4
AI
Ne
N
Si
He
Na
Be
K Mg
Ca -
S
H
He
O
Pb
Li
Ar
Al
(d) Si and Pb
(d) Li and K
(i) Which of the two elements belong to group 14?
(a) Li and Si
(b) Mg and Pb (c) Al and Ca
(ii) Which of the following elements are known as alkali metals?
(a) Al and Na (b) Ar and Ne (c) N and S
(iii) Which of the two elements are inert gases?
(a) Ar and Ne (b) Al and H
(c) He and H
(iv) Which of the two elements has -2 valency?
(a) Ca and Mg (b) O and S/ (c) Al and Pb
(v) Which of the two elements show catenation?
(a) Ca and Mg
(b) Si and S
(c) Al and Pb
1
[Ans. (d)
1
[Ans. (d)
1
[Ans. (a)
1
[Ans. (b)
1
[Ans. (b)
(d) Pb and Ca
(d) O and He
(d) O and He
1x4​

Answer 1

Answer:

option B is the answer dear

Answer 2

Answer:

option b is the correct answer