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Chemistry MCQ for Competitive Exam | SET-2

Chemistry Solved MCQs| रसायन विज्ञान से सम्बंधित महत्वपूर्ण बहुविकल्पीय प्रश्न उत्तर कुंजी सहित-SET-2

Chemistry Solved MCQs for all competitive exam
रसायन विज्ञान से सम्बंधित बहुविकल्पीय प्रश्न उत्तर कुंजी सहित

Welcome to our exclusive collections of chemistry multiple choice questions(MCQs) with answers. All questions are of multiple choice type. In these multiple choice questions 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. e.g. CTET, TET, HPAS, UPSc, State PSC, Army, Patwari, Samvida, Teacher recruitment test, UPSC, SSC, CGL, Police, SI, CDS, MAT, SSC 10+2, CLAT, NIFT, SBI, IBPS PO, SBIPO, PO, RRB, IBPS Clerk, Vyapam, CDSE, SBI Clerk etc.

रसायन विज्ञान से सम्बंधित बहुविकल्पीय प्रश्नो के इस सेट में कई महत्वपूर्ण प्रश्न उत्तर कुंजी सहित दिए गए है जो कई प्रतियोगी परीक्षाओ में पूछे गए प्रश्न का समावेश किये हुए है. लगभग सभी प्रतियोगी परीक्षाओ में रसायन विज्ञान से सम्बंधित बहुविकल्पीय प्रश्न पूछे जाते है हम रसायन विज्ञान से सम्बंधित महत्वपूर्ण बहुविकल्पीय प्रश्न हिंदी में उत्तर कुंजी सहित दे रहे हे जो उन सभी स्टूडेंट्स के लिए महत्वपूर्ण है जो रसायन विज्ञान से सम्बंधित बहुविकल्पीय प्रश्नो की जानकारी लेना चाहते है तथा कई प्रतियोगी परीक्षाओ की तैयारी कर रहै है | ये महत्वपूर्ण बहुविकल्पीय उत्तर कुंजी सहित प्रश्न उन सभी लोगो के लिए वरदान साबित होंगे ।

Chemistry MCQs for all Competitive Exams|रसायन विज्ञान से सम्बंधित बहुविकल्पीय प्रश्न उत्तर कुंजी सहित


Chemistry Solved MCQs| रसायन विज्ञान से सम्बंधित महत्वपूर्ण बहुविकल्पीय प्रश्न उत्तर कुंजी सहित-SET-2


Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/
Question : 1
Helium is used in balloons in place of hydrogen because it is
”option-A”Incombustible ”option-B”lighter than hydrogen ”option-C”Radioactive ”option-D”More abundant than hydrogen
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 2
For the reaction Fe2O3 + 3CO → 2Fe + 3CO2 the volume of carbon monoxide required to reduce one mole of ferric oxide is
”option-A”22.4 dm3 ”option-B”44.8 dm3 ”option-C”67.2 dm3 ”option-D”11.2 dm3
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 3
Among the alkali metals cesium is the most reactive because
Its incomplete shell is nearest to the nucleus ”option-B”It has a single electron in the valence shell ”option-C”It is the heaviest alkali metal ”option-D”The outermost electron is more loosely bound than the outermost electron of the other alkali metals
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 4
80 g of oxygen contains as many atoms as in
”option-A”80 g of hydrogen ”option-B”1 g of hydrogen ”option-C”10 g of hydrogen ”option-D”5 g of hydrogen
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 5
Argon is used
”option-A”In high temperature welding ”option-B”In radiotherapy for treatment of cancer ”option-C”In filling airships ”option-D”To obtain low temperature
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 6
Which of the following is present in maximum amount in acid rain?
”option-A” H2SO4 ”option-B” HNO2 ”option-C” H2SO3 ”option-D” HCl
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 7
The type of combustion in which heat, light and sound is produced, is …………..
”option-A” Slow Combustion ”option-B” Spontaneous Combustion ”option-C” Incomplete Combustion ”option-D” Rapid explosion Combustion
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 8
The fluorescent material used in the cathode ray tube is …………….
”option-A”Zinc sulphide ”option-B”Zinc oxide ”option-C”Zinc chloride ”option-D”Zinc sulphate
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 9
The only material which can be recycled to 100% is ……………….
”option-A”polythene bag ”option-B”glass ”option-C”bakelite ”option-D”cement
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 10
Air contains ……………… percentage of nitrogen
”option-A”3% ”option-B”20.9% ”option-C”78% ”option-D”50&
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/




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MCQs Practice Sets for Sure Success in all competitive exams