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Chemistry for Competitive Exam | SET-21

Chemistry Solved MCQs| रसायन विज्ञान से सम्बंधित महत्वपूर्ण बहुविकल्पीय प्रश्न उत्तर कुंजी सहित-SET-21

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-21


Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/
Question : 1
One mole of oxygen at 273 k and one mole of sulphur dioxide at 546 k are taken in two separate containers, then,
”option-A”kinetic energy of O2 > kinetic energy of SO2 . ”option-B”kinetic energy of O2 < kinetic energy of SO2. ”option-C”kinetic energy of both are equal. ”option-D”None of these
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 2
In the periodic table metals usually used as catalysts belong to
”option-A”s – block ”option-B”p – block ”option-C”d – block ”option-D”f – block
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 3
In Kjeldahl’s method, ammonia from 5 g of food neutralizes 30 cm3 of 0.1 N acid. The percentage of nitrogen in the food is ______.
8.4 ”option-B”0.84 ”option-C”1.68 ”option-D”16.8
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 4
Which of the following is not an ore of magnesium?
”option-A”Carnallite ”option-B”Dolomite ”option-C”Calamine ”option-D”Sea water
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 5
By what factors does the average velocity of a gaseous molecule increase when the temperature (in Kelvin) is doubled?
”option-A”1.4 ”option-B”2 ”option-C”2.8 ”option-D”4
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 6
Which gas causes global warming?
”option-A” Nitrogen ”option-B” Carbon dioxide ”option-C” Methane ”option-D” Hydrogen
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 7
Carbon forming Carbon monoxide is an example of …………..
”option-A” Spontaneous ”option-B” Rapid combustion ”option-C” Incomplete combustion ”option-D” Both [A] and [C],
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 8
Which of the following is not a necessary condition of combustion?
”option-A” Presence of combustible substance ”option-B” Attainment of ignition temperature ”option-C” Presence of supporter of combustion ”option-D” Presence of carbon dioxide
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 9
Sun produces heat and light through …………………
”option-A” Nuclear reactions ”option-B” Combustion ”option-C” Inflammation ”option-D” Fractional distillation
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 10
A luminous flame appears ……………
”option-A” Red ”option-B” Yellow ”option-C” Blue ”option-D” Green
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