1
AIPMT 2010 Prelims
MCQ (Single Correct Answer)
+4
-1
The number of atoms in 0.1 mol of a triatomic gas is (NA = 6.02 $$ \times $$ 1023 mol$$-$$1)
A
6.026 $$ \times $$ 1022
B
1.806 $$ \times $$ 1023
C
3.600 $$ \times $$ 1023
D
1.800 $$ \times $$ 1022
2
AIPMT 2009
MCQ (Single Correct Answer)
+4
-1
10 g of hydrogen and 64 g of oxygen were filled in a steel vessel and exploded. Amount of water produced in this reaction will be
A
3 mol
B
4 mol
C
1 mol
D
2 mol
3
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
An organic compound contains carbon, hydrogen and oxygen. Its elemental analysis gave C, 38.71% and H, 9.67%. The empirical formula of the compound would be
A
CHO
B
CH4O
C
CH3O
D
CH2O
4
AIPMT 2008
MCQ (Single Correct Answer)
+4
-1
How many moles of lead (II) chloride will be formed from a reaction between 6.5 g of PbO and 3.2 g HCl ?
A
0.011
B
0.029
C
0.044
D
0.333

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