HP-All Exam Master: Chemistry for Competitive Exam | SET-14

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Chemistry for Competitive Exam | SET-14

Chemistry Solved MCQs| रसायन विज्ञान से सम्बंधित महत्वपूर्ण बहुविकल्पीय प्रश्न उत्तर कुंजी सहित-SET-14

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-14


Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/
Question : 1
For the four successive transition elements (Cr,Mn, Fe and Co), the stability of + 2 oxidation state will be there in which of the following order? (At. nos. Cr = 24, Mn = 25, Fe = 26, Co = 27)
Chemistry Soved MCQs for all Competitive ExamsCr > Mn > Co > Fe Chemistry Soved MCQs for all Competitive ExamsMn > Fe > Cr > Co Chemistry Soved MCQs for all Competitive ExamsFe > Mn > Co > Cr Chemistry Soved MCQs for all Competitive ExamsCo > Mn > Fe > Cr
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 2
Graphite is a soft solid lubricant extremely difficult to melt. The reason for this anomalous behaviour is that graphite
Chemistry Soved MCQs for all Competitive ExamsHas molecules of variable molecular masses like polymers. Chemistry Soved MCQs for all Competitive ExamsHas carbon atoms arranged in large plates of rings of strongly bound carbon atoms with weak interplate bonds. Chemistry Soved MCQs for all Competitive ExamsIs a non-crystalline substance. Chemistry Soved MCQs for all Competitive ExamsIs an allotropic form of carbon.
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 3
Enthalpy change for the reaction, 4H(g) → 2H2(g) is –869.6 kJ. The dissociation energy of H – H bond is
Chemistry Soved MCQs for all Competitive Exams +217.4 kJ Chemistry Soved MCQs for all Competitive Exams –434.8 kJ Chemistry Soved MCQs for all Competitive Exams –869.6 kJ Chemistry Soved MCQs for all Competitive Exams +434.8 kJ
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 4
The ozone layer forms naturally by
Chemistry Soved MCQs for all Competitive ExamsThe interaction of CFC with oxygen Chemistry Soved MCQs for all Competitive ExamsThe interaction of UV radiation with oxygen Chemistry Soved MCQs for all Competitive ExamsThe interaction of IR radiation with oxygen Chemistry Soved MCQs for all Competitive Examsthe interaction of oxygen and water vapour
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 5
A buffer solution contains 0.1 mole of sodium acetate dissolved in 1000 cm 3 of 0.1 M acetic acid. To the above buffer solution, 0.1 mole of sodium acetate is further added and dissolved.
The pH of the resulting buffer is equal to ______.
Chemistry Soved MCQs for all Competitive ExamspKa Chemistry Soved MCQs for all Competitive ExamspKa - Log2 Chemistry Soved MCQs for all Competitive ExamspKa + Log2 Chemistry Soved MCQs for all Competitive ExamspKa + 2
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 6
Which cannot control fire due to oils?
Chemistry Soved MCQs for all Competitive Exams Fire extinguisher Chemistry Soved MCQs for all Competitive Exams Foamite Chemistry Soved MCQs for all Competitive Exams Sand Chemistry Soved MCQs for all Competitive Exams Water
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 7
A clean fuel is the one which is …………….
Chemistry Soved MCQs for all Competitive Exams transparent white in colour Chemistry Soved MCQs for all Competitive Exams containing no impurities Chemistry Soved MCQs for all Competitive Exams causing no pollution Chemistry Soved MCQs for all Competitive Exams None of these
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 8
Dissolution of washing soda in water is ……………….
Chemistry Soved MCQs for all Competitive Examsexothermic change Chemistry Soved MCQs for all Competitive Examsirreversible change Chemistry Soved MCQs for all Competitive Examsundesirable change Chemistry Soved MCQs for all Competitive Examsslow change
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 9
Bitumen is used as ………………
Chemistry Soved MCQs for all Competitive Exams road surfacing Chemistry Soved MCQs for all Competitive Exams lubricant Chemistry Soved MCQs for all Competitive Exams motor fuel Chemistry Soved MCQs for all Competitive Exams none
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 10
.……………… causes acid rain
Chemistry Soved MCQs for all Competitive ExamsCarbon monoxide Chemistry Soved MCQs for all Competitive ExamsNitrogen oxide Chemistry Soved MCQs for all Competitive ExamsOxygen Chemistry Soved MCQs for all Competitive ExamsSulphur
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/




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