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Chemistry for Competitive Exam | SET-45

Chemistry Solved MCQs| रसायन विज्ञान से सम्बंधित महत्वपूर्ण बहुविकल्पीय प्रश्न उत्तर कुंजी सहित-SET-45

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-45


Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/
Question : 1
Solubility product of a salt AB is 1 ´ 10-8 M2 in a solution in which the concentration of A+ions is 10-3 M. The salt will precipitate when the concentration of B- ions is kept between 10-8
”option-A”M to 10-7 M between 10-7 ”option-B”M to 10-6 M >10-5 ”option-C”M <1O-8 ”option-D”M
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 2
Solubility product of a salt AB is 1 ´ 10-8 M2 in a solution in which the concentration of A+ions is 10-3 M. The salt will precipitate when the concentration of B- ions is kept between 10-8
”option-A”M to 10-7 M between 10-7 ”option-B”M to 10-6 M >10-5 ”option-C”M <1O-8 ”option-D”M
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 3
During the fusion of an organic compound with sodium metal, nitrogen of the compound is converted into
NaNO2 ”option-B”NaNH2 ”option-C”NaCN ”option-D”NaNC
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 4
E1, E2 and E3 are the emfs of the following three galvanic cells respectively:(i) Zn (s) | Zn2+ (0.1 M) || Cu2+ (1M) | Cu (s) (ii) Zn (s) | Zn2+ (1 M) || Cu2+ (1M) | Cu (s)(iii) Zn (s) | Zn2+ (1 M) || Cu2+ (0.1M) | Cu (s)Which one of the following is true?
”option-A”E1 > E2 > E3 ”option-B”E2 > E1 > E3 ”option-C”E3 > E2 > E1 ”option-D”E3 > E1 > E2
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 5
A chemical reaction proceeds into the following stepsStep I, 2A Ý X fastStep II, X + B Ý  Y slowStep III, Y + B Ý Product fastThe rate law for the overall reaction is
”option-A”Rate = k[A]2 ”option-B”Rate = k[B]2 ”option-C”Rate = k[A][B] ”option-D”Rate = k[A]2[B]
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 6
Which of the following is correct option for free expansion of an ideal gas under adiabatic condition?
”option-A”q = 0, ΔT < 0, w ≠ 0 ”option-B”q = 0, ΔT ≠ 0, w = 0 ”option-C”q ≠ 0, ΔT = 0, w = 0 ”option-D”q = 0, ΔT = 0, w = 0
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 7
The van’t Hoff factor i for a compound which undergoes dissociation in one solvent and association in other solvent is respectively
”option-A”Greater than one and greater than one ”option-B”Less than one and greater than one ”option-C”Less than one and less than one ”option-D”Greater than one and less than one
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 8
The IUPAC name of [Co(NH3)5 ONO]2+ ion is
”option-A”Penta ammine nitro cobalt (III) ion ”option-B”Penta ammine nitro cobalt (IV) ion ”option-C”Penta ammine nitrito cobalt (IV) ion ”option-D”Penta ammine nitrito cobalt (III) ion
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 9
Pillars, bridges, dams can be constructed with the help of ……………….
”option-A” concrete ”option-B” plastic ”option-C” glass ”option-D” fibre
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/


Question : 10
Which of the following is a periodical change?
”option-A”Heart beat ”option-B”Earthquake ”option-C”Eruption of volcano ”option-D”Landslide
Answer
Chemistry Solved MCQs
By : HP-All-Exam Master
https://hpallexam.blogspot.com/




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