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

P2O5is heated with water to give

Question # 2

Calcium carbide reacts with water to produce

Question # 3

The electrolytic cell used for the production of metallic sodium is known as

Question # 4

Which one of the following elements occurs free in nature?

Question # 5

Which of the following element is most reactive

Question # 6

NaHCO3is commonly called

Question # 7

Which of the following are electropositive in nature

Question # 8

Chemical composition of colemnite is:

Question # 9

Which of the following salt is used as purgative

Question # 10

Sulphuric acid has great affinity for water because

Question # 11

Which one of the following properties is not correct for ozone?

Question # 12

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 13

Which one of the following pentafluorides cannot be formed?

Question # 14

White P when boiled with strong solution of caustic soda produces

Question # 15

The ore CaSO42H2O has the general name

Question # 16

In the earth crust sodium is

Question # 17

Which of the following fluorides does not exists?

Question # 18

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

Question # 19

______ gives peroxide

Question # 20

Which of the element is not an alkaline earth metal

Question # 21

Which of the following form normal oxide

Question # 22

Which of the following has highest dipole moment?

Question # 23

Phosphine is not obtained by the reaction when

Question # 24

Which of the following phosphorus is most reactive?

Question # 25

All the elements of oxygen family are

Question # 26

______ reacts with alkalis to give hydrogen

Question # 27

Tincal is a mineral of:

Question # 28

Which of the following elements is not present abundantly in earth's crust?

Question # 29

Lime, calcium oxide, is used in agriculture for

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None
2 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4
3 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3
4 The acid used in lead storage cells is
A. Phosphoric acid
B. Nitric acid
C. Sulphuric acid
D. Hydrochloric acid
5 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
6 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4
7 Which is not the form of silica?
A. Amethyst quatz
B. Rose quatz
C. Smoky
D. None of these
8 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
9 Copper oxide is dedected by borax bead test with colour:
A. Blue
B. Red
C. Yellow
D. Black
10 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson

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