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

Calcium carbide reacts with water to produce

Question # 2

Which of the following is a tetrabasic acid?

Question # 3

The most acidic of the following compounds is

Question # 4

Sodium forms largely

Question # 5

Permonosulphuric acid is known as

Question # 6

Pb has inert pair of electrons:

Question # 7

The acid used in lead storage cells is

Question # 8

The number of electron that are paired in oxygen molecule are

Question # 9

Gypsum is a common mineral of

Question # 10

All the elements of oxygen family are

Question # 11

Silicon atom is hybridized:

Question # 12

Which salt is used for the treatment of hyperacidity in stomach

Question # 13

NaHCO3is prepared by

Question # 14

What is the formula of asbestos?

Question # 15

Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because

Question # 16

Which of the following has highest dipole moment?

Question # 17

Which of the following salt is soluble in water

Question # 18

HNO2acts as an/a

Question # 19

White P when boiled with strong solution of caustic soda produces

Question # 20

The chemical formula of Trona is

Question # 21

Basicity of orthoposphoric acid is

Question # 22

Chemical composition of colemnite is:

Question # 23

P2O5is heated with water to give

Question # 24

LiOH ______ soluble than NaOH

Question # 25

Which of the following is formed by the action of water on sodium peroxide?

Question # 26

The alkali metals form

Question # 27

Which of the following statement is not related to Solvay's process of Na2CO3

Question # 28

Chile saltpetre has the chemical formula

Question # 29

Density of aluminium is (g cm-3):

Question # 30

The element caesium bears resemblance with

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element among the following belongs to Group IV-A of the periodic table?
A. Barium
B. Iodine
C. Lead
D. Oxygen
2 Lime, calcium oxide, is used in agriculture for
A. Adding ca metal in soil
B. Making soil acidic
C. Neutralizing acidic soil
D. Adding oxygen to soil
3 Which of the following compound is industrially prepared by the electrolysis of solution of NaCl
A. Na2CO3
B. NaHCO3
C. NaOH
D. NaOCl
4 Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because
A. Sulphur is present in the mixture as impurity
B. IV group radicals are precipitated as sulphides
C. Of the oxidation of H2S gas by some acid radicals
D. III group radicals are precipitated as hydroxides
5 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
6 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
7 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
8 Which one of the following is not an alkali metal
A. Francium
B. Caesium
C. Rubidium
D. Radium
9 Which is used in navigational equipments?
A. B
B. Be
C. Mg
D. Al
10 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen

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