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 an alkaline earth metal

Question # 2

White phosphorus is

Question # 3

Which of the following is a tetrabasic acid?

Question # 4

Copper oxide is dedected by borax bead test with colour:

Question # 5

Aluminium oxide is:

Question # 6

Marble is chemically

Question # 7

______ gives peroxide

Question # 8

The acid used in lead storage cells is

Question # 9

Which is an essential constituent of chlorophyll

Question # 10

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

Question # 11

Which of the following is lighter

Question # 12

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 13

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

Question # 14

Sulphuric acid has great affinity for water because

Question # 15

Which of the element is not alkali metal

Question # 16

Each of the following is true of white and red phosphours except that they

Question # 17

Some of the elements of a period show similar behavior with the elements of next group in next period this is called

Question # 18

Borax is hydrated:

Question # 19

The number of unpaired electrons in the p-subshell of oxygen atom

Question # 20

The alkali metals form

Question # 21

Boric acid cannot be used:

Question # 22

The electrolytic cell used for the production of metallic sodium is known as

Question # 23

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

Question # 24

BiCl3on hydrolysis forms a white precipitate of

Question # 25

Which element form group 15 gives most basic compound with hydrogen?

Question # 26

Which one of the following is not an alkali metal

Question # 27

HNO2acts as an/a

Question # 28

White P when boiled with strong solution of caustic soda produces

Question # 29

In the earth crust sodium is

Question # 30

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

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Silicon atom is hybridized:
A. sp
B. sp2
C. sp3
D. dsp2
2 Which of the following has highest dipole moment?
A. NH3
B. PH3
C. AsH3
D. SbH3
3 Which oxide of nitrogen is obtained on heating ammonium nitrate at 250° C?
A. Nitric oxide
B. Nitrous oxide
C. Nitrogen dioxide
D. Dinitrogen tetraoxide
4 When a colourless gas is passed through bromine water only decolourisation takes place the gas is
A. SO2
B. HBR
C. HCl
D. H2S
5 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
6 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
7 The chemical formula of chile salt peter is
A. Na2CO3
B. KNO3
C. NaNO3
D. NaNO2
8 Which one of the following properties is not correct for ozone?
A. It oxidizes lead sulphides
B. It oxidizes potassium iodide
C. It oxidizes mercury
D. It cannot act as a bleaching agent
9 Which of the following is the hardest metal among following
A. Li
B. Na
C. Rb
D. K
10 Alkaline earth metals are usually
A. Reducing agent
B. Oxidizing agent
C. Amphoteric
D. Acidic

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