1
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Which of the following reactions is the metal displacement reaction? Choose the right option.
A
$$2Pb{(N{O_3})_2} \to 2PbO + 4N{O_2} + {O_2} \uparrow $$
B
$$2KCl{O_3}\buildrel \Delta \over \longrightarrow 2KCl + 3{O_2}$$
C
$$C{r_2}{O_3} + 2Al\buildrel \Delta \over \longrightarrow A{l_2}{O_3} + 2Cr$$
D
$$Fe + 2HCl \to FeC{l_2} + {H_2} \uparrow $$
2
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
The right option for the statement "Tyndall effect is exhibited by", is :
A
Urea solution
B
NaCl solution
C
Glucose solution
D
Starch solution
3
NEET 2021
MCQ (Single Correct Answer)
+4
-1
The compound which shows metamerism is :
A
C4H10O
B
C5H12
C
C3H8O
D
C3H6O
4
NEET 2021
MCQ (Single Correct Answer)
+4
-1
Match List - I with List - II :

List - I List - II
(a) $$PC{l_5}$$ (i) Square pyramidal
(b) $$S{F_6}$$ (ii) Trigonal planar
(c) $$Br{F_5}$$ (iii) Octahedral
(d) $$B{F_3}$$ (iv) Trigonal bipyramidal


Choose the correct answer from the options given below.
A
(a)-(iv), (b)-(iii), (c)-(ii), (d)-(i)
B
(a)-(iv), (b)-(iii), (c)-(i), (d)-(ii)
C
(a)-(ii), (b)-(iii), (c)-(iv), (d)-(i)
D
(a)-(iii), (b)-(i), (c)-(iv), (d)-(ii)
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