1
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Match the following :
Oxide Nature
(A) CO (i) Basic
(B) BaO (ii) Neutral
(C) Al2O3 (iii) Acidic
(D) Cl2O7 (iv) Amphoteric

Which of the following is correct option?
A
(A) (B) (C) (D)
(ii) (i) (iv) (iii)
B
(A) (B) (C) (D)
(iii) (iv) (i) (ii)
C
(A) (B) (C) (D)
(iv) (iii) (ii) (i)
D
(A) (B) (C) (D)
(i) (ii) (iii) (iv)
2
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
HCl was passed through A solution of CaCl2, MgCl2 and NaCl. Which of the following compound(s) crystallize(s)?
A
Only NaCl
B
Only MgCl2
C
NaCl, MgCl2 and CaCl2
D
Both MgCl2 and CaCl2
3
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Reaction between acetone and methylmagnesium chloride followed by hydrolysis will give :
A
Sec. butyl alcohol
B
Tert. butyl alcohol
C
Isobutyl alcohol
D
Isopropyl alcohol
4
NEET 2020 Phase 1
MCQ (Single Correct Answer)
+4
-1
Assume that light of wavelength 600 nm is coming from a star. The limit of resolution of telescope whose objective has a diameter of 2 m is :
A
1.83 $$ \times $$ 10-7 rad
B
7.32 $$ \times $$ 10-7 rad
C
6.00 $$ \times $$ 10-7 rad
D
3.66 $$ \times $$ 10-7 rad
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
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CBSE
Class 12