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

Baking powder has which one of the following formula

Question # 2

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

Question # 3

Red P can be obtained form white P by

Question # 4

Crystalline form of sulphur stable at room temperature is

Question # 5

Which of the following elements is not present abundantly in earth's crust?

Question # 6

The most acidic of the following compounds is

Question # 7

Potassium superoxide has a use in breathing equipment in space crafts. The balanced equation for the reaction is

Question # 8

White P when boiled with strong solution of caustic soda produces

Question # 9

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

Question # 10

The chemical formula of gypsum is

Question # 11

Group VA of the periodic table consists of the elements N, P, As, Sb and Bi, On passing from N to Bi, the oxides of the elements of general formula M2O3become

Question # 12

In a group IIA from top to bottom as the atomic number increases, there is regular decreases in

Question # 13

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

Question # 14

White phosphorus is

Question # 15

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

Question # 16

Which is litharge or massicot?

Question # 17

The ore CaSO42H2O has the general name

Question # 18

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

Question # 19

Corrundam is ore of:

Question # 20

Which of the following form normal oxide

Question # 21

Which one of the following pentafluorides cannot be formed?

Question # 22

Alkaline earth metals posses two electrons in their outermost

Question # 23

The chemical formula of magnesite is

Question # 24

Commercial common salt becomes slight damp on storing because

Question # 25

Down's cell is used to prepare

Question # 26

Heavy water is obtained by

Question # 27

All the following decompose easily on heating to give oxygen except

Question # 28

Which of the following salt is soluble in water

Question # 29

The alkaline earth elements have in their s-orbital

Question # 30

HNO2acts as an/a

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 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 Phosphide ion has the electronic structure similar to that of
A. Nitride ion
B. Fluoride ion
C. Sodium ion
D. Chloride ion
4 The formula of lime stone is
A. CaCl2
B. MgCO3
C. Na2CO3
D. CaCO3
5 Which of the following element is most reactive
A. Li
B. Na
C. K
D. Cs
6 Where lime is not used
A. In refining or metals
B. In paper industry
C. In glass industry
D. In the preparation of NaOH
7 Borax is a common mineral of alkali metal sodium. Its formula is
A. Na2B4O7
B. Na2,B4O7. 10H2O
C. Na2B3O6. 10H2O
D. Na2B4O7- 5H2O
8 ______ gives peroxide
A. Li
B. Ba
C. Sr
D. Be
9 HNO2acts as an/a
A. Acid
B. Oxidizing agent
C. Reducing agent
D. All the three
10 As a fixing agent in photography, sodium thisoulphate is used for
A. Dissolving out unreacted silver bromide
B. Converting silver
C. Reducing solubility of AgBr
D. Preventing overdeveloping and fogging

Test Questions

Share your comments & questions here

Guest

  • No comments yet. Be the first to comment!