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

Sulphuric acid reacts with PCl5to give

Question # 2

Sodium hexametaphophate is known as

Question # 3

Which of the following form normal oxide

Question # 4

The chemical formula of magnesite is

Question # 5

The metal with highest electrical resistance at room temperature is

Question # 6

Alkaline earth metals posses two electrons in their outermost

Question # 7

The chemical formula of gypsum is

Question # 8

Boric acid cannot be used:

Question # 9

A compound used as eye wash:

Question # 10

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

Question # 11

Electron affinity of sulphur is

Question # 12

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

Question # 13

The oxidation number of each element of group l-A is

Question # 14

Hybridized in oxygen is:

Question # 15

The number of electron that are paired in oxygen molecule are

Question # 16

What is chrome yellow?

Question # 17

Which one of the following pentafluorides cannot be formed?

Question # 18

The chemical formula of chile salt peter is

Question # 19

White phosphorus is

Question # 20

Commercial common salt becomes slight damp on storing because

Question # 21

Identify the incorrect statement with respect to ozone

Question # 22

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

Question # 23

Red P can be obtained form white P by

Question # 24

The alkaline earth elements have in their s-orbital

Question # 25

Which one of the following equations represent the reaction that occurs when calcium nitrate is heated strongly

Question # 26

All the elements of oxygen family are

Question # 27

Lithium reacts with air to form

Question # 28

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

Question # 29

Which is used in navigational equipments?

Question # 30

Which of the following sulphates is not soluble in water

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe
2 Which metal is used in the thermit process because of its activity?
A. Iron
B. Copper
C. Alumnium
D. Zinc
3 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
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
4 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
5 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
6 Which element form group 15 gives most basic compound with hydrogen?
A. Nitrogen
B. Bismuth
C. Arsenic
D. Phosphorus
7 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
8 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
9 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
10 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4

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