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

What causes nitrogen to be chemically inert?

Question # 2

Corrundam is ore of:

Question # 3

Al is the most element in earth crust:

Question # 4

Marble is chemically

Question # 5

Commercial common salt becomes slight damp on storing because

Question # 6

Each of the following is true of white and red phosphours except that they

Question # 7

NaHCO3is commonly called

Question # 8

Gypsum is a common mineral of

Question # 9

Baking powder has which one of the following formula

Question # 10

Which of the following equations represents the action of heat on NaHCO3

Question # 11

Basicity of orthoposphoric acid is

Question # 12

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

Question # 13

The chemical formula of gypsum is

Question # 14

Which of the following has highest dipole moment?

Question # 15

The structure of white phosphorus is

Question # 16

Which element form group 15 gives most basic compound with hydrogen?

Question # 17

The chemical formula of chile salt peter is

Question # 18

Which of the element is not alkali metal

Question # 19

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 20

Oleum is

Question # 21

Where lime is not used

Question # 22

Boric acid cannot be used:

Question # 23

Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?

Question # 24

Sodium hexametaphophate is known as

Question # 25

Pb has inert pair of electrons:

Question # 26

White P when boiled with strong solution of caustic soda produces

Question # 27

Which of the following phosphorus is most reactive?

Question # 28

Which salt is used for preserving food

Question # 29

Which of the following fluorides does not exists?

Question # 30

When ammonia is heated with cupric oxide, a molecule of ammonia will

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Tincal is a mineral of:
A. Al
B. B
C. Si
D. C
2 Which salt is used for the treatment of hyperacidity in stomach
A. NaCl
B. KCl
C. NaHCO3
D. Na2CO3
3 Which one of the following does not belong to alkaline earth metals
A. Be
B. Ra
C. Ba
D. Rn
4 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
5 Which of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2
6 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
7 Electron affinity of sulphur is
A. More than O and Se
B. More than O but less than Se
C. Less than O but more than Se
D. Equal to O and Se
8 NaHCO3is commonly called
A. Soda ash
B. Baking soda
C. Washing soda
D. None of these
9 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
10 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent

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