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

  • Total Questions30

  • Time Allowed30

Start Test Download PDF

ECAT Chemistry Chapter 14 Group IIIA & IVA Elements

00:00
Question # 1

When SO2is passed through acidified K2Cr2O7solution

Question # 2

When a colourless gas is passed through bromine water only decolourisation takes place the gas is

Question # 3

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

Question # 4

Which of the following salt is soluble in water

Question # 5

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

Question # 6

Ozone is not

Question # 7

Which salt is used for preserving food

Question # 8

The alkaline earth elements have in their s-orbital

Question # 9

What is chrome yellow?

Question # 10

Which of the following sulphates is not soluble in water

Question # 11

Which of the following compounds is explosive in nature?

Question # 12

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

Question # 13

All the elements of oxygen family are

Question # 14

Which element has highest oxidation potential

Question # 15

Which one of the following pentafluorides cannot be formed?

Question # 16

NaHCO3is commonly called

Question # 17

Boric acid cannot be used:

Question # 18

The element caesium bears resemblance with

Question # 19

Chief ore of aluminium is:

Question # 20

Which has soapy touch?

Question # 21

Oleum is

Question # 22

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

Question # 23

In the earth crust sodium is

Question # 24

When sulphur is boiled with Na2SO3solution, the compound formed is

Question # 25

What is going to replace the petroleum?

Question # 26

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

Question # 27

The chemical formula of gypsum is

Question # 28

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

Question # 29

Which one of the following elements occurs free in nature?

Question # 30

Alkali metals react violently with halogens to form

Submit

Prepare Complete Set Wise ECAT Chemistry Chapter 14 Group IIIA & IVA Elements MCQs Online With Answers


Topic Test

00:00
Submit

Top Scorers Of ECAT Chemistry Chapter 14 Group IIIA & IVA Elements MCQ`s Test

  • N
    Nasreen Sardar 09 - Jun - 2023 05 Min 45 Sec 115/120
  • T
    Tasawar Hussain 22 - Feb - 2024 04 Min 52 Sec 110/120
  • T
    TETO Teto 13 - Mar - 2023 01 Min 57 Sec 105/120
  • O
    Omer Farooq 11 - Mar - 2023 13 Min 21 Sec 100/120
  • R
    Rana Muzamil 11 - Mar - 2024 05 Min 18 Sec 90/120
  • A
    Arian Ahmed 07 - Mar - 2024 00 Min 05 Sec 75/120
  • A
    Anibullah Anib 26 - Feb - 2024 09 Min 31 Sec 75/120
  • G
    Gulbaz Nadeem 14 - May - 2024 09 Min 43 Sec 75/120
  • C
    Chhabibullah1492 Habib 26 - Feb - 2024 11 Min 13 Sec 75/120
  • D
    Daim Ali 05 - Dec - 2023 04 Min 00 Sec 70/120
  • A
    Ahmed Ashraf 12 - Mar - 2023 02 Min 24 Sec 65/120
  • A
    Azeema Siddique Muhammad Siddique 06 - Mar - 2024 03 Min 52 Sec 65/120
  • F
    Fatima Isfa 26 - Feb - 2024 08 Min 58 Sec 65/120
  • N
    Naheed Yasir 29 - May - 2024 06 Min 39 Sec 60/120
  • Z
    Zoya Zoya 27 - May - 2024 11 Min 34 Sec 60/120

ECAT Chemistry Chapter 14 Important MCQ's

Sr.# Question Answer
1 Which of the following compounds is explosive in nature?
A. Phosphorus trichloride
B. Nitrogen trichloride
C. Hyponitrous acid
D. Nitrosyl chloride
2 Borax is hydrated:
A. Penta
B. Deca
C. Hepta
D. Octa
3 Which of the element is not an alkaline earth metal
A. Beryllium
B. Strontium
C. Barium
D. Caesium
4 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
5 Alkali metals react violently with halogens to form
A. Hydrides
B. Halides
C. Anyhydrides
D. None of these
6 ______ is used in breathing equipments for mountaineers and in space craft
A. Li2O
B. BeO
C. N2
D. KO2
7 ______ is called milk of magnesia
A. NaOH
B. KOH
C. LiOH
D. None
8 Bond angle is minimum for
A. H2O
B. H2S
C. H2Se
D. H2Te
9 The maximum number of electrons in the outermost shall of s-black elements is
A. One
B. Two
C. Three
D. Four
10 Sodium forms largely
A. Normal oxides
B. Per-oxides
C. Superoxides
D. None of these

Test Questions