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

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 2

The structure of white phosphorus is

Question # 3

The silver bromide in hypo (Na2S2O3) solution is

Question # 4

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

Question # 5

Which is not the form of silica?

Question # 6

Calcium carbide reacts with water to produce

Question # 7

Orthophosphoric acid is

Question # 8

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

Question # 9

Which of the following sulphates has the highest solubility in water

Question # 10

Which of the following is formed by the action of water on sodium peroxide?

Question # 11

Where lime is not used

Question # 12

White P when boiled with strong solution of caustic soda produces

Question # 13

The acid used in lead storage cells is

Question # 14

Tincal is a mineral of:

Question # 15

Which of the following is a tetrabasic acid?

Question # 16

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

Question # 17

Bond angle is minimum for

Question # 18

Which of the following is the hardest metal among following

Question # 19

Which of the following equations represents the action of heat on NaHCO3

Question # 20

Which of the following has highest dipole moment?

Question # 21

HNO2acts as an/a

Question # 22

Which of the element is not alkali metal

Question # 23

White phosphorus is

Question # 24

The ore CaSO42H2O has the general name

Question # 25

Alkaline earth metals posses two electrons in their outermost

Question # 26

Gypsum is a common mineral of

Question # 27

Which of the following salt is soluble in water

Question # 28

All the following decompose easily on heating to give oxygen except

Question # 29

The acid which has a peroxy linkage is

Question # 30

NaHCO3is commonly called

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Marble is chemically
A. CaCl2
B. CaCO3
C. Na2CO3
D. NaHCO3
2 Electron affinity of sulphur is
A. More than O and Se
B. More than O but less than Se
C. Less than O but more than Se
D. Equal to O and Se
3 The metal with highest electrical resistance at room temperature is
A. Pb
B. Te
C. Po
D. Fe
4 Some of the elements of a period show similar behavior with the elements of next group in next period this is called
A. Vertical relationship
B. Oblique relationship
C. Diagonal relationship
D. None
5 Which of the element is not alkali metal
A. Lithium
B. Rubidium
C. Francium
D. Magnesium
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 Chile saltpetre has the chemical formula
A. NaNO3
B. KNO3
C. Na2B4O7
D. Na2CO3H2O
8 Alkaline earth metals posses two electrons in their outermost
A. F-orbital
B. D-orbital
C. S-orbital
D. P-orbital
9 White phosphorus is
A. A mono atomic gas
B. P4, a tetrahedral solid
C. P8, a crown
D. A linear diatomic molecule
10 Which salt is used for preserving food
A. BaCl2
B. CaCl2
C. NaCl
D. Na2SO4

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