ECAT Pre Engineering Chemistry Chapter 14 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

Try The MCQ's Test For ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

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Question # 1

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 2

In the earth crust sodium is

Question # 3

Which is an essential constituent of chlorophyll

Question # 4

Which of the element is not alkali metal

Question # 5

Red P can be obtained form white P by

Question # 6

The acid used in lead storage cells is

Question # 7

The chemical formula of magnesite is

Question # 8

What is going to replace the petroleum?

Question # 9

Which salt is used for preserving food

Question # 10

The chemical formula of Trona is

Question # 11

The silver bromide in hypo (Na2S2O3) solution is

Question # 12

Orthophosphoric acid is

Question # 13

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 14

When SO2is passed through acidified K2Cr2O7solution

Question # 15

Phosphorus pentoxide finds use as

Question # 16

Gypsum is applied to the soil to provide calcium and

Question # 17

Which colour is imparted by sodium

Question # 18

______ gives peroxide

Question # 19

CaC2on hydrolysis form

Question # 20

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 21

The acid which has a peroxy linkage is

Question # 22

Sodium hexametaphophate is known as

Question # 23

The element which has a simple cubic lattice in solid state is

Question # 24

Which shows maximum catenation property?

Question # 25

Phosphide ion has the electronic structure similar to that of

Question # 26

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 27

Hybridized in oxygen is:

Question # 28

Silicon atom is hybridized:

Question # 29

Alkaline earth metals are usually

Question # 30

Chemical composition of colemnite is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
2 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
3 Aluminium oxide is:
A. Acidic oxide
B. Basic oxide
C. Amphoteric oxided
D. None of these
4 Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?
A. 1s, 2s2, 2p6, 3s2, 3p6, 4s2
B. 1s2 , 2s2 , 2p6 , 3s2, 3p1
C. 1s2, 2s2, 2p6
D. 1s2, 2s2, 2p6, 3s2, 3p3
5 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
6 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
7 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
8 The oxide of beryllium is
A. Acidic
B. Amphoteric
C. Superoxide
D. Basic
9 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
10 Chief ore of aluminium is:
A. Na3AIF6
B. Al2O3.2H2O
C. Al2O3
D. Al2O3 .H2O

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