Question

iii. Mg
A. Choose the most appropriate answer for each of the following.
(5)
a. Which of the elements Li, Mg, Na and Al has the lowest ionization potential.
i. Li
ii. Na
iv. Al
b. On moving from left to right in a period, the number of shells:
i. remains the same ii. increases iii. decreases iv. first increase then decrease
c. Cations are formed by:
i. loss of electrons ii. gain of electrons. iii. sharing of electrons iv. sharing of protons.
d. Tarteric acid is used:
i. in baking powder. ii. As an eye wash iii. in the cooking iv. to remove ink stains
e. One mole of compound contains one mole of carbon and two mole of oxygen the molecular
weight of the compound is.
i. 3
ii. 12
iii. 32
iv. 44​

Answer 1

Answer:

a,. Al

b. remains same

c. loss of electrons

d baking powder

e 44