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

00:00
Question # 1

LiOH ______ soluble than NaOH

Question # 2

Which one of the following pentafluorides cannot be formed?

Question # 3

What is chrome yellow?

Question # 4

______ reacts with alkalis to give hydrogen

Question # 5

Which of the following fluorides does not exists?

Question # 6

Which of the following sulphates is not soluble in water

Question # 7

Which is an essential constituent of chlorophyll

Question # 8

Density of aluminium is (g cm-3):

Question # 9

Gypsum is a common mineral of

Question # 10

Identify the incorrect statement with respect to ozone

Question # 11

Plaster of pares is obtained by heating

Question # 12

Ozone is not

Question # 13

P2O5is heated with water to give

Question # 14

S-block elements consist of

Question # 15

What is the formula of asbestos?

Question # 16

Al is the most element in earth crust:

Question # 17

The alkali metals form

Question # 18

Sodium forms largely

Question # 19

The most acidic of the following compounds is

Question # 20

The chemical formula of Trona is

Question # 21

What is going to replace the petroleum?

Question # 22

The oxide of beryllium is

Question # 23

Boric acid cannot be used:

Question # 24

A compound used as eye wash:

Question # 25

Hybridized in carbon is:

Question # 26

Oleum is

Question # 27

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 28

The metal with highest electrical resistance at room temperature is

Question # 29

Phosphorus pentoxide finds use as

Question # 30

Which one of the following elements occurs free in nature?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
2 Red P can be obtained form white P by
A. Heating it with a catalyst in an inert atmosphere
B. Distilling it in an inert atmosphere
C. Dissolving it in CS2and crysllizing
D. Melting it ad pouring the liquid into water
3 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
4 The electrolytic cell used for the production of metallic sodium is known as
A. Down's cell
B. Solvary's cell
C. Haber's cell
D. None of these
5 Phosphorus pentoxide finds use as
A. An oxidizing agent
B. A reducing agent
C. A bleaching agent
D. A dehydrating agent
6 The chemical formula of Epson salt is
A. MgSO4
B. MgCl2
C. MgSO4. 7H2O
D. MgCl2. 7H2O
7 BiCl3on hydrolysis forms a white precipitate of
A. Bismuthio acid
B. Bismuth oxychloride
C. Bismuth pentachloride
D. Bismuth hydroxide
8 The oxidation number of each element of group l-A is
A. 0
B. +1
C. +2
D. -1
9 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
10 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them

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