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

Density of aluminium is (g cm-3):

Question # 2

Al is the most element in earth crust:

Question # 3

Which colour is imparted by sodium

Question # 4

Heavy water is obtained by

Question # 5

White P when boiled with strong solution of caustic soda produces

Question # 6

In the earth crust sodium is

Question # 7

Permonosulphuric acid is known as

Question # 8

Which of the following salt is soluble in water

Question # 9

Sulphuric acid reacts with PCl5to give

Question # 10

Ozone is not

Question # 11

What is going to replace the petroleum?

Question # 12

Phosphine is not obtained by the reaction when

Question # 13

Alkaline earth metals are usually

Question # 14

Which of the element is not alkali metal

Question # 15

The chemical formula of Epson salt is

Question # 16

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

Question # 17

Which shows maximum catenation property?

Question # 18

HNO2acts as an/a

Question # 19

The chemical formula of chile salt peter is

Question # 20

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

Question # 21

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

Question # 22

Which of the following sulphates is not soluble in water

Question # 23

Which element has highest oxidation potential

Question # 24

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

Question # 25

CaC2on hydrolysis form

Question # 26

Chief ore of aluminium is:

Question # 27

Which one of the following is not an alkali metal

Question # 28

The oxyacids of phosphorus in which phosphorus has the lowest oxidiation state is

Question # 29

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

Question # 30

Where lime is not used

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Dipole moment of CO molecule is:
A. 0.0
B. 1.112 D
C. 0.112 D
D. 2.112 D
2 Which colour is imparted by sodium
A. Yellow
B. Violet
C. Red
D. Crimson
3 The element caesium bears resemblance with
A. Ca
B. Cr
C. Rubidium
D. None of the above
4 P2O5is heated with water to give
A. Hypophosphorus acid
B. Phosphorus acid
C. Hypophosphorus acid
D. Orthophosphorus acid
5 Which is an essential constituent of chlorophyll
A. Be
B. Fe
C. Mg
D. Ca
6 Gypsum is a common mineral of
A. Magnesium
B. Strontium
C. Calcium
D. Barium
7 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
8 Hypo is used in photography for
A. Developing picture
B. Picture printed
C. The colour of picture
D. The fixation of picture
9 Which of the following equations represents the action of heat on NaHCO3
10 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe

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