Chemistry Common Chemical Industries In Pakistan MCQs Chapter 15 Class 12

NUST entry test NET contains most of the Chemistry MCQs. FSC Part 2 Chemistry book MCQs. HSSC Chemistry questions MCQs. Solved Chapterwise Chemistry MCQs for first-year 12 class MCQs. Second-year and first-year Chemistry textbooks chapter-wise MCQs with the answer are provided here. PakLearningSpot PLS MCQs Bank website for FREE Entry test preparations

PLS Boost Bundle

Get Access to 20 thousands+ MCQs Including Topical MCQs, Practice Tests, Mock Tests, Solved Past Papers, Flashcards, Notes, FLPS, and Much More.

UNLOCK PREMIUM🔐

417

Created on February 10, 2022 By Ali Durrani

Chemistry Ch 15 Class 12 COMMON CHEMICAL INDUSTRIES IN PAKISTAN

This is the Free Access to Limited MCQs. Enroll to PLS Boost Premium Bundle to Get More MCQs HERE

1 / 35

In Paper industry, sodium sulphite is buffered with

Sodium carbonate

Sodium hydroxide

Sodium acetate

Both a and b

2 / 35

Which one of the following polymer is called as Nylon 6,6?

UHS 2016
Chemistry
Industrial Chemistry
Elimination Tool:

A) Polyester

B) Polyvinyl chloride

C) Polyamide

D) Polyvinyl acetate

3 / 35

cr. be used as a liquid fertilizer?

Ammonia

Potassium phosphate

Diammonium phosphate

urea

4 / 35

1500•degree Celsius furnace temperature Is maintained at which zone?

Heating

Burning

Decomposition

Roth b and c

5 / 35

The crude petroleum is separated in fraction by:

PMC Practice 4
Chemistry
Industrial Chemistry
Elimination Tool:

A) Filtration

B) Fractional distillation

C) Steam distillation

D) Fractional sublimation

6 / 35

Fractions of crude petroleum can be obtained by using ___________.

PMC Practice 3
Chemistry
Industrial Chemistry
Elimination Tool:

A) Destructive distillation

B) Fractional distillation

C) Vacuum distillation

D) Distillation

7 / 35

The temperature zones In rotary kilns are:

None of these

8 / 35

Burning of which one of the following waste is considered as useful industrial fuel or to produce electricity

UHS 2015
Chemistry
Industrial Chemistry
Elimination Tool:

A) Metals

B) Grass

C) Paper

D) Plastic

9 / 35

The macronutrients for healthy plant growth are required in per acre.

5g — 200 g

5kg — 200 kg

5g — 2000kg

None of these

10 / 35

Which one of the following was used as one of the earliest antiseptic and disinfectants?

UHS 2015
Chemistry
Industrial Chemistry
Elimination Tool:

A) Phenol

B) Ether

C) Ethanol

D) Methanol

11 / 35

Which one of the following is an example of a condensation polymer?

UHS 2014
Chemistry
Industrial Chemistry
Elimination Tool:

A) Polyvinyl Chloride

B) Polystyrene

C) Polyethene

D) Polyamide

12 / 35

Rayon is ____?

PMC Practice 10
Chemistry
Industrial Chemistry
Elimination Tool:

A) Acetyl chloride

B) Alkene

C) Alkyne

D) Acetic acid

13 / 35

Identify the pair of rnicronutrients:

B, I

N, Cu

C, CI

Zn, H

14 / 35

1 calorie = ______ Joules.

NTS 2012
Chemistry
Chemistry of Life
Elimination Tool:

A) 200 Joules

B) 2000 Joules

C) 4.184 Joules

D) 4180 Joules

15 / 35

Which Organic acid is used in pulping of wood for paper?

Formic Acid

Acetic Acid

Propanoic Acid

Stearic Acid

16 / 35

What is used in cement manufacture?

Limestone

Starch

Potassium Oxide

Both a and b

17 / 35

What is the nature of “hydrated tricalcium aluminate” (3 Ca. Al203. 6 H20) in the setting of cement?

) Hardened mass

Hardened Gel

Colloidal Gel

Liquid

18 / 35

The zone where moisture is removed and clay is broken down into Al203, Si02, Fe203 is

Burning zone

Cooling zone

Drying zone

Decomposition zone

19 / 35

Percentage of nitrogen in urea is:

20 / 35

“Zymase”- a group of 14 enzymes, used in the fermentation of starch, is present in:

NTS 2010
Chemistry
Chemistry of Life
Elimination Tool:

A) Bacteria

B) Yeast

C) Fungi

D) Algae

21 / 35

When hexane dioic acid is heated with hexamethylene diamine, the compound formed is:

UHS 2011
Chemistry
Industrial Chemistry
Elimination Tool:

A) Polypeptide

B) Addition polymer

C) Ester

D) Nylon 6,6

22 / 35

Among the most common disaccharides, one of the following is present in the milk?

UHS 2014
Chemistry
Industrial Chemistry
Elimination Tool:

A) Sucrose

B) Maltose

C) Fructose

D) Lactose

23 / 35

In the production of wrought iron Mg, Si, and P are removed in the form of:

PMC Practice 3
Chemistry
Industrial Chemistry
Elimination Tool:

A) Oxides

B) Silicates

C) Slag

D) Carbonates

24 / 35

How many grams of micronutrients are needed by 1 acre of land?

100-1000

200-500

6 to 200

20 to 300

25 / 35

Which of the following is the most widely used fertilizer in Pakistan?

Ammonium Nitrate

Ammonia

Calcium Nitrate

Urea

26 / 35

Which in not woody raw material

Poplar

) Hard wood

Fir

Rag

27 / 35

______ is needed in thyroxine, the hormone of thyroid gland.

NTS 2012
Chemistry
Chemistry of Life
Elimination Tool:

A) Mg2+

B) K+

C) Ca2+

D) Iodine

28 / 35

What is the catalyst used in the Haber process?

H₂ + N₂ ⟶ NH₃

PMC 2021 Tested
Chemistry
Industrial Chemistry
Elimination Tool:

A) Chlorine

B) Iron

C) Magnesium

D) Calcium

29 / 35

Which of the following is not a macronutrient?

30 / 35

Which one of the following is an example of a co-polymer?

UHS 2015
Chemistry
Industrial Chemistry
Elimination Tool:

A) Polyamide

B) Polystyrene

C) Polyvinyl acetate

D) Polyvinyl chloride

31 / 35

Aluminium nitrate is not used for ai

Corn

Cotton

Rice

Wheat

32 / 35

Ammonium nitrate contain nitrogen

33 / 35

Genetic mutations occur in:

NUMS 2016
Chemistry
Chemistry of Life
Elimination Tool:

A) RNA

B) Protein

C) DNA

D) All of the above

34 / 35

Which of the following is a Marco-nutrient

Boron

Copper

Iron

Nitrogen

35 / 35

Enzymes that are functioning within the cell are called:

NUMS 2016
Chemistry
Chemistry of Life
Elimination Tool:

A) Endoenzymes

B) Exoenzymes

C) Holoenzymes

D) Both A & C

Your score is

The average score is 59%