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Chemistry for Competitive Exam | SET-49

Chemistry Solved MCQs| रसायन विज्ञान से सम्बंधित महत्वपूर्ण बहुविकल्पीय प्रश्न उत्तर कुंजी सहित-SET-49

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-49


Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/
Question : 1
Which one of the following is extensively used for sterilizing water
”option-A”Alum ”option-B”Sodpowder ”option-C”Borax powder ”option-D”Bleaching powder
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 2
The radii of Na+ and Cl- ions are 95 pm and 181 pm respectively. The edge length of NaClunit cell is
”option-A”276 pm ”option-B”138 pm ”option-C”552 pm ”option-D”415 pm
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 3
The order of stability of metal oxides is
Fe2O3 < Cr2O3 < AIZO3 < MgO ”option-B”Fe2O3 < Al2O3 < Cr2O3 < MgO ”option-C”Al2O3 < MgO < Fe2O3< Cr2O3 ”option-D”Cr2O3 < MgO < Al2O3 < Fe2O3
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 4
In which one of the given formulae of xenon compounds there are five a-bonds and three p-bonds in it?
”option-A”XeFO ”option-B”XeF2O2 ”option-C”XeF3O2 ”option-D”XeF2O3
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 5
For a reaction to be spontaneous at all temperatures
”option-A”ΔG and ΔH should be negative ”option-B”ΔG and ΔH should be positive ”option-C”ΔG = ΔS = 0 ”option-D”ΔH < ΔG
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 6
Which of the following organic compounds answers to both iodoform test and Fehling’s test’?
”option-A”ethanol ”option-B”methanal ”option-C”ethanal ”option-D”propanone
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 7
Thermodynamic standard conditions of temperature and pressure are
”option-A”0°C and 1 atm ”option-B”273 k and 101.3 k Pa ”option-C”298 k and 1 atm ”option-D”0°C and 101.3 k Pa
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 8
Woollen fibres are obtained from …………….
”option-A” Cow ”option-B” Sheep ”option-C” Coconut fibre ”option-D” Silk worm
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 9
The mass of a metal, with equivalent mass 31.75, which would combine with 8 g of oxygen is
”option-A”31.75 ”option-B”3.175 ”option-C”8 ”option-D”1
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 10
Spoilage of food is …………………
”option-A”reversible change ”option-B”fast change ”option-C”undesirable change ”option-D”periodic change
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