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

00:00
Question # 1

LiOH ______ soluble than NaOH

Question # 2

Plaster of pares is obtained by heating

Question # 3

Sodium hexametaphophate is known as

Question # 4

The most acidic of the following compounds is

Question # 5

Which of the following is the hardest metal among following

Question # 6

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

Question # 7

Francium is an element at the bottom of Group I in the Periodic Table. Which one of the following predication is likely to be correct?

Question # 8

The metal with highest electrical resistance at room temperature is

Question # 9

Gypsum is a common mineral of

Question # 10

Which element among the following belongs to Group IV-A of the periodic table?

Question # 11

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

Question # 12

Density of aluminium is (g cm-3):

Question # 13

Gypsum is applied to the soil to provide calcium and

Question # 14

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

Question # 15

Which on of the following compounds does not exist?

Question # 16

Commercial common salt becomes slight damp on storing because

Question # 17

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

Question # 18

Which of the element is not alkali metal

Question # 19

The maximum number of electrons in the outermost shall of s-black elements is

Question # 20

Which of the following is a tetrabasic acid?

Question # 21

Which of the following phosphorus is most reactive?

Question # 22

Electron affinity of sulphur is

Question # 23

Which of the following salt is soluble in water

Question # 24

Permonosulphuric acid is known as

Question # 25

Silicon atom is hybridized:

Question # 26

Phosphorus pentoxide finds use as

Question # 27

Ozone is not

Question # 28

Chief ore of aluminium is:

Question # 29

Which salt is used for preserving food

Question # 30

Which element forms an iron with charge 3+?

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 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
2 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
3 Which of the following elements is not present abundantly in earth's crust?
A. Silicon
B. Aluminium
C. Sodium
D. Oxygen
4 On alkali and alkaline earth metals down the group, there is decreasing trend in
A. m.p.
B. b.p.
C. Ionization potentiall
D. All of these
5 Which of the following salt is soluble in water
A. CaCO3
B. CaSO4
C. MgSO4
D. BaSO4
6 S-block elements consist of
A. Alkali metals
B. Alkaline earth metals
C. Alkali and alkaline earth metals
D. None of these
7 What is the formula of asbestos?
A. CaMg3(SiO3)4
B. CaSiO3
C. Na2SiO3
D. Mg3H2(SiO3)4
8 Which of the following is lighter
A. Li
B. k
C. Na
D. Ca
9 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
10 Calcium carbide reacts with water to produce
A. Acetylene
B. Methane
C. Ethylene
D. Ethane

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