TET-Ctet-Chemistry-set-95

Chemistry MCQs for all Competitive Exams SET-95
Psychology Multiple Choice Questions

Chemistry Multiple Choice Questions(MCQ)
रसायन विज्ञान बहुविकल्पीय प्रश्न

Welcome to our exclusive collections of chemistry multiple choice questions with answers. All questions are of multiple choice type.In these MCQs sets we are going to share most important questions related to chemistry. These questions are very helpful for those candidates and aspirants who are preparing for the various government and non government exam as well as in interview.
इस पोस्ट में हम रसायन विज्ञान से सम्बंधित कई महत्वपूर्ण बहुविकल्पीय प्रश्न प्रस्तुत कर रहे है , जो कई प्रतियोगी परीक्षाओ में पूछे जाते है. जैसे TET, CTET, JEE, AIPMT, PMT, Police exams ,army exams, CDSE , SBI Clerk , SBIPO, PO, RRB , IBPS PO , PSc, State PSC, Patwari, Samvida, Teacher recruitment test, UPSC, SSC, CGL, SI, CTET, TET, CDS, MAT , SSC 10+2 , CLAT , NIFT , SBI , IBPS Clerk, Vyapam, आदि.

Chemistry MCQs for all Competitive Exams SET-95
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question: 1

Which one among the following polymers is used to make personal armour such as combat helmets, ballistic face masks, and ballistic vests?

[A].   Teflon
[B].   PVC
[C].   Bakelite
[D].   Kevlar


Question: 2

A pale blue gas with a fish-like odour restores the colour of a blackened lead painting. The gas is also used as rocket fuel. It is

[A].   oxygen
[B].   ammonia
[C].   sulphur dioxide
[D].   ozone


Question: 3

Natural Opal which is commonly used as gemstones in many countries is mainly

[A].   a hydrated calcium compound
[B].   a magnesium compound
[C].   a sulphur compound
[D].   a hydrated silica


Question: 4

Which of the following is not a natural polymer?

[A].   Wool
[B].   Silk
[C].   Cotton
[D].   Teflon


Question: 5

Sacrificial anode protects Iron or ships, underground pipelines etc. from rusting, a process known as cathodic protection. Which one of the following metals cannot be used as a sacrificial anode?

[A].   Tin
[B].   Aluminium
[C].   Zinc
[D].   Magnesium


Question: 6

Which of the following pairs of chemical compounds has the potential for carbon capturing by chemical process to reduce the global warming?

[A].   Potassium oxide and sodium oxide
[B].   Magnesium oxide and calcium oxide
[C].   Magnesium oxide and potassium oxide
[D].   Calcium oxide and potassium oxide


Question: 7

Which one of the following oxides is the most abundant in Earth crust?

[A].   Na2O
[B].   CaO
[C].   MgO
[D].   SiO2


Question: 8

Which one of the following is used to slow down the speed of the neutrons in the nuclear reactor?

[A].   Controlling rod
[B].   Moderator
[C].   Coolant
[D].   Accelerator


Question: 9

Which one of the following is correct? Butter is?

[A].   a supercooled oil
[B].   an emulsion
[C].   a molecular solid
[D].   a gel


Question: 10

Metal used to make wires for safety fuses must have

[A].   very low resistivity and high melting point
[B].   high resistivity and low melting point
[C].   low resistivity and low melting point
[D].   high resistivity and high melting point





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