M C Q s D r i v e
03079682698
mcqsdrive@gmail.com
About
Contact
Jobs
Blog

Contact Info

03079682698

mcqsdrive@gmail.com

Ad Banner

Chemistry 1488 MCQs [All-Courses]

thumb

oost your exam preparation with our Chemistry MCQs designed for PPSC, FPSC, NTS, OTS, PTS, AJKPSC, BPSC, KPPSC, PMS, CSS, and all competitive exams.
Our content covers Basic Chemistry, Atomic Structure, Periodic Table, Chemical Reactions, Acids & Bases, Organic Chemistry, and everyday chemical concepts.

All Topics  1488

The chemical (Ethyl Mercaptan) added to the otherwise odourless LPG cooking gas for imparting a detectable smell to the gas is a compound of:_______?

A Bromine
B Fluorine
C Chlorine
D Sulphur
Correct Answer: Sulphur

Which of the following is different with respect to physical appearance ?

A Arsenic
B Phosphorus
C Antimony
D Bismuth
Correct Answer: Phosphorus

Which of the following is incorrect statement about nitrogen importance ?

A It enhances plant growth
B It is involved in the synthesis of protein and nucleic acids
C it accelerates fruits and flowers growth
D It is involved in the chlorophyll synthesis
Correct Answer: it accelerates fruits and flowers growth

The average salinity of sea water is________?

A 3%
B 3.50%
C 2.50%
D 2%
Correct Answer: 3.50%

Which element can form tripositive ion ?

A Beryllium
B Carbon
C Silicon
D Aluminium
Correct Answer: Aluminium

The important function of burning zone in the rotary kilm is __________________?

A to dry the moisture of slurry
B to decompose lime stone to unslaked lime
C combination of different oxides like CaO SiO2 Fe2O3 and Al2O3
D to reduce the impurities
Correct Answer: combination of different oxides like CaO SiO2 Fe2O3 and Al2O3

Tetraethyl lead is used as______?

A Pain Killer
B Fire Extinguisher
C Mosquito Repellent
D Petrol Additive
Correct Answer: Petrol Additive

Boric acid cannot be used__________________?

A As antiseptic in medicine
B For washing eyes
C In soda bottles
D For enamel and glazes
Correct Answer: In soda bottles

The composition of mixture of clay and lime stone in the raw for cement material is __________________?

A 75% lime stone and 25% clay
B 25% lime stone and 75% clay
C 15% lime stone and 55% clay
D 55% lime stone and 15% clay
Correct Answer: 75% lime stone and 25% clay

Electric bulb filament is made of__________?

A Copper
B Aluminum
C Lead
D Tungsten
Correct Answer: Tungsten
03079682698
mcqsdrive@gmail.com

Copyright @ 2026 MCQsDrive . All Rights Reserved.