1
IIT-JEE 1979
MCQ (Single Correct Answer)
+2
-0.5
2.76 g of silver carbonate on being strongly heated yields a residue weighing
A
2.16 g
B
2.48 g
C
2.32 g
D
2.64 g
2
IIT-JEE 1979
MCQ (Single Correct Answer)
+4
-1
A gaseous mixture contains oxygen and nitrogen in the ratio of 1 : 4 by weight. Therefore the ratio of their no of molecules is
A
1 : 4
B
1 : 8
C
7 : 32
D
3 : 16
3
IIT-JEE 1979
MCQ (Single Correct Answer)
+2
-0.5
The total number of electrons is one molecule of carbon dioxide is
A
22
B
44
C
66
D
88
4
IIT-JEE 1978
MCQ (Single Correct Answer)
+2
-0.5
27 g of Al will react completely with how many grams if oxygen?
A
8 g
B
16 g
C
32 g
D
24 g
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