HP-All Exam Master: Chemistry for Competitive Exam

Chemistry Solved MCQs| रसायन विज्ञान से सम्बंधित महत्वपूर्ण बहुविकल्पीय प्रश्न उत्तर कुंजी सहित-SET-39

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

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-39

Chemistry Solved MCQs

By : HP-All-Exam Master

https://hpallexam.blogspot.com/

Question : 1

Osmotic pressure observed when benzoic acid is dissolved in benzene is less than that expected from theoretical considerations. This is because

benzoic acid is an organic solute ”option-B”

benzoic acid has higher molar mass than benzene ”option-C”

benzoic acid gets associated in benzene ”option-D”

benzoic acid gets dissociated in benzene

Answer

Chemistry Solved MCQs

By : HP-All-Exam Master

https://hpallexam.blogspot.com/

Question : 2

Given exothermic reaction (aq) + 6H₂O(1) ⇌ [Co(H₂O)]²⁺ +4CI^–Which one of the following will decrease the equilibrium concentration of ?

Addition of HCI ”option-B”

Addition of Co(NO₃)₂ ”option-C”

The solution is diluted with water ”option-D”

The temperature is increased

Answer

Chemistry Solved MCQs

By : HP-All-Exam Master

https://hpallexam.blogspot.com/

Question : 3

In which one of the given formulae of xenon compounds there are five a-bonds and three p-bonds in it?

XeFO

XeF₂O₂

XeF₃O₂

XeF₂O₃

Answer

Chemistry Solved MCQs

By : HP-All-Exam Master

https://hpallexam.blogspot.com/

Question : 4

A buffer solution contains 0.1 mole of sodium acetate dissolved in 1000 cm³of 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 ______.

pK_a+ 1

pK_a

pK_a+ Log 2 ”option-D”

pK_a= Log 2

Answer

Chemistry Solved MCQs

By : HP-All-Exam Master

https://hpallexam.blogspot.com/

Question : 5

50 cm³of 0.2 N HCl is titrated against 0.1 N NaOH solution. The titration was discontinued after adding 50 cm³of NaOH. The remaining titration is completed by adding 0.5 N KOH. The volume of KOH required for completing the titration is

12 cm³

10 cm³

21.0 cm³

16.2 cm³

Answer

Chemistry Solved MCQs

By : HP-All-Exam Master

https://hpallexam.blogspot.com/

Question : 6

Which of the following elements is present as the impurity to the maximum extent in the pig iron?

Phosphorus ”option-B”

Manganese