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

Which of the element is not alkali metal

Question # 2

Gypsum is applied to the soil to provide calcium and

Question # 3

The alkali metals form

Question # 4

Which of the following compounds is explosive in nature?

Question # 5

Phosphide ion has the electronic structure similar to that of

Question # 6

Which is used to remove air bubbles form metals?

Question # 7

The chemical formula of Trona is

Question # 8

The chemical formula of magnesite is

Question # 9

Which is an essential constituent of chlorophyll

Question # 10

Sodium is never found free in nature because of its

Question # 11

Which of the following are electropositive in nature

Question # 12

______ is called milk of magnesia

Question # 13

Orthophosphoric acid is

Question # 14

Which of the following compound is industrially prepared by the electrolysis of solution of NaCl

Question # 15

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

Question # 16

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

Question # 17

CaC2on hydrolysis form

Question # 18

Basicity of orthoposphoric acid is

Question # 19

Crystalline form of sulphur stable at room temperature is

Question # 20

HNO2acts as an/a

Question # 21

Bond angle is minimum for

Question # 22

Permonosulphuric acid is known as

Question # 23

Red P can be obtained form white P by

Question # 24

Baking powder has which one of the following formula

Question # 25

Which is used in navigational equipments?

Question # 26

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

Question # 27

Which of the following salt is soluble in water

Question # 28

Identify the incorrect statement with respect to ozone

Question # 29

Sometimes a yellow turbidity appears while passing H2S gas even in the absence of II group radicals. This is because

Question # 30

Hybridized in oxygen is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Gypsum is applied to the soil to provide calcium and
A. Oxygen
B. Nitrogen
C. Phosphorous
D. Sulphur
2 Which property is not present in Al?
A. Reacts with acid
B. Reacts with bases
C. Changes litmus paper
D. Changes methyle orange colour
3 When SO2is passed through acidified K2Cr2O7solution
A. The solution turns blue
B. The solution is decolourised
C. SO2is reduced
D. Green Cr2(SO4)3is formed
4 Heavy water is obtained by
A. Prolonged electrolysis of water
B. Dissolving heavy salt in water
C. Simple distillation of water
D. Removing impurities of calcium and magnesium form water
5 Which of the following oxides is peroxide?
A. Na2O2
B. MnO2
C. BaO
D. SO2
6 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
7 Which of the following sulphates is not soluble in water
A. Sodium sulphate
B. Potassium sulphate
C. Zinc sulphate
D. Barium sulphate
8 CaC2on hydrolysis form
A. CH4
B. C2H4
C. C2H2
D. C6H6
9 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
10 Which will have the maximum value of heat of hydration
A. Na+
B. Cs+
C. Ba+2
D. Mg+2

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