TET-Ctet-Chemistry-set-90

Chemistry MCQs for all Competitive Exams SET-90
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-90
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question: 1

Why is the meat preserved in the brine solution is not spoil as quickly as fresh meat?

[A].   The bacteria will fall victim to osmosis and shrivel up and die-
[B].   The brine solution makes the meat acidic, so growth of bacteria is prevented
[C].   The brine solution is an unfavourable medium for the reproduction of bacteria
[D].   None of the above


Question: 2

The coil in a heater is made of

[A].   nichrome
[B].   tungsten
[C].   copper
[D].   iron


Question: 3

Which of the following is the lightest metal?

[A].   Mercury
[B].   Silver
[C].   Lithium
[D].   Lead


Question: 4

Which one of the following is the reason for keeping the chloroform in brown-tinted glass containers?

[A].   Its brilliance colour hurts eyes
[B].   Its deep red colour is piercing
[C].   With UV-rays and 02, it forms poisonous gas phosgene
[D].   With IR-rays, it forms a poisonous cyanide


Question: 5

Which one of the following is the hardest alkali metal?

[A].   Li
[B].   K
[C].   Na
[D].   Cs


Question: 6

Which one of the following is not responsible for the global warming?

[A].   Carbon dioxide
[B].   Methane
[C].   CFCs
[D].   Slacked lime


Question: 7

The most important ore of aluminium is

[A].   bauxite
[B].   calamine
[C].   calcite
[D].   galena


Question: 8

From which one among the following water source, the water is likely to be contaminated with fluorine?

[A].   Ground water
[B].   Rain water
[C].   River water
[D].   Pond water


Question: 9

Which one of the following is used as a mordant in dyeing and tanning industry?

[A].   Magnesium oxide
[B].   Magnesium chloride
[C].   Magnesium sulphate
[D].   Magnesium carbonate


Question: 10

The most abundant metal in the earth’s crust is

[A].   zinc
[B].   copper
[C].   aluminium
[D].   iron





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