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

The alkaline earth elements have in their s-orbital

Question # 2

Which is an essential constituent of chlorophyll

Question # 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

Question # 4

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

Question # 5

Chief ore of aluminium is:

Question # 6

Which salt is used for preserving food

Question # 7

The chemical formula of magnesite is

Question # 8

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 9

Which of the element is not an alkaline earth metal

Question # 10

Polyanion formation is maximum in

Question # 11

Which is not the form of silica?

Question # 12

______ is called milk of magnesia

Question # 13

Which of the following element is most reactive

Question # 14

Which element has highest oxidation potential

Question # 15

Where lime is not used

Question # 16

Tincal is a mineral of:

Question # 17

Which is used to remove air bubbles form metals?

Question # 18

White P when boiled with strong solution of caustic soda produces

Question # 19

Which of the following phosphorus is most reactive?

Question # 20

What is going to replace the petroleum?

Question # 21

Sulphuric acid reacts with PCl5to give

Question # 22

Which of the following sulphates has the highest solubility in water

Question # 23

Heavy water is obtained by

Question # 24

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

Question # 25

Hybridized in oxygen is:

Question # 26

The alkali metals form

Question # 27

Chile saltpetre has the chemical formula

Question # 28

______ gives peroxide

Question # 29

Which of the element is not alkali metal

Question # 30

Which metal is used in the thermit process because of its activity?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which element forms an iron with charge 3+?
A. Berylium
B. Aluminium
C. Carbon
D. Silicon
2 Which of the following statement is not related to Solvay's process of Na2CO3
A. Cheap materials
B. Pure product
C. Continuous process
D. Harmful by-products
3 Which shows maximum catenation property?
A. S
B. Se
C. Te
D. O
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 Sulphuric acid reacts with PCl5to give
A. Thionyl chloride
B. Sulphur monochloride
C. Sulphuryl chloride
D. Sulphur tetrachloride
7 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
8 LiOH ______ soluble than NaOH
A. More soluble
B. Less soluble
C. Equally soluble
D. None
9 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
10 Basicity of orthoposphoric acid is
A. 2
B. 3
C. 4
D. 5

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