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Chemistry for Competitive Exam | SET-18

Chemistry Solved MCQs| रसायन विज्ञान से सम्बंधित महत्वपूर्ण बहुविकल्पीय प्रश्न उत्तर कुंजी सहित-SET-18

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-18


Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/
Question : 1
Benzaldehyde and acetone can be best distinguished using ______
”option-A”Sodium hydroxide solution ”option-B”Fehling’s solution ”option-C”Tollens’ reagent ”option-D”2,4 DNPH
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 2
Which one of the following is paramagnetic?
”option-A”N2 ”option-B”NO ”option-C”CO ”option-D”O
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 3
Benzene reacts with chlorine in sunlight to give a final product
C6H5Cl ”option-B”C6Cl6 ”option-C”C6H6Cl6 ”option-D”CCl4
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 4
Which of the following is not the attribute of a good fuel?
”option-A” Low calorific value ”option-B” Cheep and easily available ”option-C” Moderate rate of combustion ”option-D” Safe to handle
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 5
SO2 and NO2 cause pollution by increasing …………..
”option-A” alkalinity ”option-B” acidity ”option-C” buffer solution ”option-D” none
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 6
A complex compound in which the oxidation number of a metal is zero is
”option-A”K4 [Fe (CN)6] ”option-B”K3 [Fe (CN)6] ”option-C”[Ni (CO)4] ”option-D”[Pl (NH3 )4]Cl2
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 7
Which of the following is not true about combustion?
”option-A” Combustion occurs only in the presence of oxygen ”option-B” The substances get oxidized in combustion ”option-C” It produces light and heat ”option-D” Both (Opt1) and (Opt3)
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 8
Dissolution of quick lime in water is an example of …………….. reaction
”option-A”Exothermic ”option-B”Endothermic ”option-C”Isochronous ”option-D”Isobaric
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 9
The percentage of carbon in lignite is
”option-A” 25-35% ”option-B” 35-45% ”option-C” 85-95% ”option-D” none
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 10
Mass is neither created, nor destroyed during physical or chemical changes. This statement explains …………….
”option-A”The Law of Constant Proportion ”option-B”Gay Lussac’s law ”option-C”The Law of Conservation of Mass ”option-D”Dalton’s atomic theory
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/




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