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

As a fixing agent in photography, sodium thisoulphate is used for

Question # 2

Lithium reacts with air to form

Question # 3

Which of the following element is most reactive

Question # 4

The acid used in lead storage cells is

Question # 5

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

Question # 6

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

Question # 7

Which of the following are electropositive in nature

Question # 8

What causes nitrogen to be chemically inert?

Question # 9

Calcium carbide reacts with water to produce

Question # 10

The metal with highest electrical resistance at room temperature is

Question # 11

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

Question # 12

What is chrome yellow?

Question # 13

Where lime is not used

Question # 14

Boric acid cannot be used:

Question # 15

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

Question # 16

Pb has inert pair of electrons:

Question # 17

Permonosulphuric acid is known as

Question # 18

Gypsum is applied to the soil to provide calcium and

Question # 19

Al is the most element in earth crust:

Question # 20

Down's cell is used to prepare

Question # 21

Which of the element is not alkali metal

Question # 22

On alkali and alkaline earth metals down the group, there is decreasing trend in

Question # 23

Crystalline form of sulphur stable at room temperature is

Question # 24

Orthophosphoric acid is

Question # 25

The structure of white phosphorus is

Question # 26

Which one of the following elements occurs free in nature?

Question # 27

Electron affinity of sulphur is

Question # 28

Which of the following is acidic?

Question # 29

Which of the following is not the reactions of lithium

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
2 Corrundam is ore of:
A. Li
B. Be
C. B
D. Al
3 Which on of the following compounds does not exist?
A. NCl5
B. AsF5
C. SbCl5
D. PF5
4 Sodium is never found free in nature because of its
A. Chemical reactivity
B. Small ionic size
C. Small atomic volume
D. None of these
5 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
6 Pb has inert pair of electrons:
A. One
B. Two
C. Three
D. Four
7 Some of the elements of a period show similar behavior with the elements of next group in next period this is called
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None
8 What is chrome yellow?
A. Pbo
B. Pb2O
C. PbCrO4
D. Pb3O4
9 Hybridized in oxygen is:
A. sp
B. sp2
C. sp3
D. dsp3
10 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate

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