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

Lime, calcium oxide, is used in agriculture for

Question # 2

Hybridized in carbon is:

Question # 3

Calcium carbide reacts with water to produce

Question # 4

When ammonia is heated with cupric oxide, a molecule of ammonia will

Question # 5

Which metal of Group-II A of the periodic Table, will form the least ionic chloride

Question # 6

Which is litharge or massicot?

Question # 7

Which is used to remove air bubbles form metals?

Question # 8

The ore CaSO42H2O has the general name

Question # 9

Which will have the maximum value of heat of hydration

Question # 10

Crystalline form of sulphur stable at room temperature is

Question # 11

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

Question # 12

All the elements of oxygen family are

Question # 13

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

Question # 14

Copper oxide is dedected by borax bead test with colour:

Question # 15

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

Question # 16

Chile saltpetre has the chemical formula

Question # 17

Where lime is not used

Question # 18

The acid used in lead storage cells is

Question # 19

Alkaline earth metals posses two electrons in their outermost

Question # 20

The acid which has a peroxy linkage is

Question # 21

Gypsum is a common mineral of

Question # 22

Oleum is

Question # 23

Sodium hexametaphophate is known as

Question # 24

CaC2on hydrolysis form

Question # 25

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

Question # 26

Plaster of pares is obtained by heating

Question # 27

Borax is hydrated:

Question # 28

Which of the following salt is soluble in water

Question # 29

Sodium is never found free in nature because of its

Question # 30

Which of the following is acidic?

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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 of the following is formed by the action of water on sodium peroxide?
A. H2
B. N2
C. O2
D. CO2
3 Al is the most element in earth crust:
A. O
B. Si
C. Al
D. Pb
4 Which metal of Group-II A of the periodic Table, will form the least ionic chloride
A. Be
B. Mg
C. Ca
D. Sr
5 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
6 Identify the incorrect statement with respect to ozone
A. Ozone is formed in the upper atmosphere by a photochemical reaction involving dioxygen
B. Ozone is more reactive than diaoxygen
C. Ozone is diamagnetic whereas dioxygen is paramagnetic
D. Ozone protects the earth's inhabitants by absorbing gamma-radiations
7 Solvay process is used in the manufacture of
A. Na2CO3
B. NaHCO3
C. CaCl2
D. All
8 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic
9 The structure of white phosphorus is
A. Square planar
B. Pyramidal
C. Tetrahedral
D. Trigonal planer
10 The element which has a simple cubic lattice in solid state is
A. Se
B. Te
C. Po
D. None of these

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