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

Carbonates of alkali metals dissolves freely in water to form

Question # 2

______ gives peroxide

Question # 3

Which of the following is acidic?

Question # 4

The element which has a simple cubic lattice in solid state is

Question # 5

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

Question # 6

Pb has inert pair of electrons:

Question # 7

Tincal is a mineral of:

Question # 8

Crystalline form of sulphur stable at room temperature is

Question # 9

The ore CaSO42H2O has the general name

Question # 10

Polyanion formation is maximum in

Question # 11

Permonosulphuric acid is known as

Question # 12

Which of the following is the hardest metal among following

Question # 13

Which electronic configuration corresponds to an element of Group ||Z-A of the periodic table?

Question # 14

HNO2acts as an/a

Question # 15

Aluminium oxide is:

Question # 16

Red P can be obtained form white P by

Question # 17

Which of the element is not an alkaline earth metal

Question # 18

What causes nitrogen to be chemically inert?

Question # 19

White P when boiled with strong solution of caustic soda produces

Question # 20

Which of the following has highest dipole moment?

Question # 21

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

Question # 22

Which salt is used for the treatment of hyperacidity in stomach

Question # 23

The chemical formula of Trona is

Question # 24

Which of the following is not the reactions of lithium

Question # 25

Which one of the following pentafluorides cannot be formed?

Question # 26

Which of the following sulphates has the highest solubility in water

Question # 27

Which one of the following does not belong to alkaline earth metals

Question # 28

Where lime is not used

Question # 29

Gypsum is a common mineral of

Question # 30

Which of the following elements is most metallic?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
2 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
A. Stronger reducing agents
B. More ionic
C. More basic
D. More volatile
3 When ammonia is heated with cupric oxide, a molecule of ammonia will
A. Gain 3 electrons
B. Lose 3 electrons
C. Gain 2 electrons
D. Lose 2 electrons
4 Which of the following are electropositive in nature
A. Alkali metals
B. Alkaline earth metals
C. Halogens
D. Alkali and alkaline earth metals
5 Sodium is manufacture by the electrolysis of fused sodium chloride and not from an aqueous solution of sodium chloride because
A. Sodium chloride does not ionize in the water solution
B. Sodium chloride is not soluble in water
C. Sodium deposited at the cathode may react with water to form sodium hydroxide
D. Electricity does not pass through aqueous NaCl
6 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
7 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
8 ______ reacts with alkalis to give hydrogen
A. Be
B. Mg
C. Ca
D. None
9 Oleum is
A. Castor oil
B. Oil of vitriol
C. Fuming of H2SO4
D. None of them
10 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3

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