tet-ctet-chemistry-set-64

Chemistry MCQs for all Competitive Exams SET-64
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-64
रसायन विज्ञान बहुविकल्पीय प्रश्न


Question : 1-10

Question: 1

Ultra violet radiation striking the earth is due to the depletion of

[A].   oxygen
[B].   ozone
[C].   carbon dioxide
[D].   carbon monoxide


Question: 2

The isotope of Uranium used in atomic reactors is

[A].   U235
[B].   U236
[C].   U237
[D].   U232


Question: 3

Which radioactive element used in heat pacemakers ?

[A].   Uranium
[B].   Deuterium
[C].   Plutonium
[D].   Radium


Question: 4

Which of the following pairs of materials serves as electrodes in chargeable batteries commonly in devices such as torch, electric shavers etc.?

[A].   Zinc and carbon
[B].   Lead peroxide and lead
[C].   Nickel and cadmium
[D].   Iron and cadmium


Question: 5

Metal are good conductor because

[A].   The molecules colloid very freely
[B].   They contain reflecting surface
[C].   They contain free electron
[D].   The molecules are very close to each other


Question: 6

Tritium is an isotope of ?

[A].   Oxygen
[B].   Hydrogen
[C].   Phosphorus
[D].   Nitrogen


Question: 7

Which of the properties of the element is a whole number ?

[A].   Atomic Mass
[B].   Atomic Number
[C].   Atomic Radius
[D].   Atomic Volume


Question: 8

The maximum number of electrons on a principal shell is ?

[A].   n2
[B].   n
[C].   2n2
[D].   3n2


Question: 9

Which of the following has highest frequency ?

[A].   Cosmic rays
[B].   X-Rays
[C].   Radio waves
[D].   Micro waves


Question: 10

The name catalysis was given by ?

[A].   Rutherford
[B].   Langmuir
[C].   Grahm
[D].   Berzelius





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