@⇒ Chemistry ⇒ General Knowledge Multiple Choice Questions / Objective type questions, MCQ's, with question and answers, download free PDF, short cut notes, rapid fire notes, best theory

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Q1.	The heat required to raise the temperature of body by 1 K is called
A.	specific heat [Wrong Answer]
B.	thermal capacity [Correct Answer]
C.	water equivalent [Wrong Answer]
D.	None of the above [Wrong Answer]
View Answer 6 -2 Explanation:- Answer : B Discuss it below : Click here for more comments


Q2.	The molecules of which gas have highest speed?
A.	H2 at -73oC [Correct Answer]
B.	CH4 at 300 K [Wrong Answer]
C.	N2 at 1,027oC [Wrong Answer]
D.	O2 at 0oC [Wrong Answer]
View Answer 2 -1 Explanation:- Answer : A Discuss it below : Click here for more comments


Q3.	The high reactivity of fluorine is due to
A.	its high electro negativity [Correct Answer]
B.	small size of fluorine atom [Wrong Answer]
C.	availability of d-orbitals [Wrong Answer]
D.	strong F - F bond [Wrong Answer]
View Answer 7 -2 Explanation:- Answer : A Discuss it below : Click here for more comments


Q4.	The main active constituent of tea and coffee is
A.	nicotine [Wrong Answer]
B.	chlorophyll [Wrong Answer]
C.	caffeine [Correct Answer]
D.	aspirin [Wrong Answer]
View Answer 4 -2 Explanation:- Answer : C Discuss it below : Click here for more comments


Q5.	The ionic radii of N, O, Fand Nafollows the order
A.	N3- > O2- > F- > Na+ [Correct Answer]
B.	N3- > Na+ > O2- > F- [Wrong Answer]
C.	Na+ > O2- > N3- > F- [Wrong Answer]
D.	O2- > F- > Na+ > N3- [Wrong Answer]
View Answer 2 -1 Explanation:- Answer : A Discuss it below : Click here for more comments

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