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

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

Question # 2

Polyanion formation is maximum in

Question # 3

Copper oxide is dedected by borax bead test with colour:

Question # 4

Which one of the following is not an alkali metal

Question # 5

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

Question # 6

Which colour is imparted by sodium

Question # 7

The element caesium bears resemblance with

Question # 8

Which of the following is the hardest metal among following

Question # 9

The chemical formula of gypsum is

Question # 10

Which of the following is a tetrabasic acid?

Question # 11

Which one of the following pentafluorides cannot be formed?

Question # 12

What is chrome yellow?

Question # 13

Chief ore of aluminium is:

Question # 14

Al is the most element in earth crust:

Question # 15

Which of the following oxides is peroxide?

Question # 16

Which is litharge or massicot?

Question # 17

What causes nitrogen to be chemically inert?

Question # 18

Which of the following fluorides does not exists?

Question # 19

Which of the following elements is most metallic?

Question # 20

Gypsum is a common mineral of

Question # 21

All the following decompose easily on heating to give oxygen except

Question # 22

Which one of the following elements occurs free in nature?

Question # 23

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

Question # 24

______ reacts with alkalis to give hydrogen

Question # 25

Ozone is not

Question # 26

Which is not the form of silica?

Question # 27

Borax is hydrated:

Question # 28

Hybridized in oxygen is:

Question # 29

Permonosulphuric acid is known as

Question # 30

Chemical composition of colemnite is:

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ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Phosphine is not obtained by the reaction when
A. White P is heated with NaOH
B. Red P is heated with NaOH
C. Ca2P2reacts with water
D. PH4l is boiled with water
2 Which element has highest oxidation potential
A. Li
B. Be
C. Ba
D. Ra
3 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
4 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
5 The chemical formula of Trona is
A. KCl . MgCl2. 6H2O
B. Na2CO3. 2NaHCO3. 2H2O
C. Na2CO3. H2O
D. KCl
6 In a group IIA from top to bottom as the atomic number increases, there is regular decreases in
A. Ionic size
B. Atomic size
C. Ionization potential
D. None of these
7 Which of all following compound is not possible
8 Lime, calcium oxide, is used in agriculture for
A. Adding ca metal in soil
B. Making soil acidic
C. Neutralizing acidic soil
D. Adding oxygen to soil
9 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
10 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these

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