- 1(current)
Q. No.The volume of oxygen gas (O2) needed to completely burn 1 L of propane gas (C3H8) (both O2 & propane measured at 0°C and 1 atm) will be:
1. 7 L
2. 6 L
3. 5 L
4. 10 L
Subtopic: Equation Based Problem |
78%
Level 2: 60%+
AIPMT - 2008
Hints
Links
To produce 20 moles of ammonia via Haber's process, how many moles of hydrogen molecules are required?
| 1. | 40 mol | 2. | 10 mol |
| 3. | 20 mol | 4. | 30 mol |
Subtopic: Limiting Reagent | Equation Based Problem |
81%
Level 1: 80%+
NEET - 2019
Hints
Links
In the following reaction:
\(4HCl + MnO_2 \rightarrow 2H_2O + MnCl_2 + Cl_2\)
Amount(in g) of manganese dioxide that reacts with 7.3 g of HCl is: (Atomic weight of Mn is 55)
1. 0.23
2. 5.85
3. 4.35
4. 5.18
\(4HCl + MnO_2 \rightarrow 2H_2O + MnCl_2 + Cl_2\)
Amount(in g) of manganese dioxide that reacts with 7.3 g of HCl is: (Atomic weight of Mn is 55)
1. 0.23
2. 5.85
3. 4.35
4. 5.18
Subtopic: Equation Based Problem |
74%
Level 2: 60%+
Hints
Calculate the approximate mass of \(CO_2\) produced when 1 gm of butane \((C_4H_{10})\) is burned with
an excess of \(O_2\) to form \(CO_2\).
| 1. | 1 g | 2. | 2 g |
| 3. | 3 g | 4. | 4 g |
Subtopic: Equation Based Problem |
66%
Level 2: 60%+
Hints
In the reaction, 4NH3(g)+ 5O2(g) 4NO(g) +6H2O(l)
When 1 mole of ammonia and 1 mole of O2 reacts to completion, then:
| 1. | 1.0 mole of H2O is produced. |
| 2. | 1.0 mole of NO will be produced. |
| 3. | All the oxygen will be consumed. |
| 4. | All the ammonia will be consumed. |
Subtopic: Equation Based Problem |
70%
Level 2: 60%+
Hints
The mass of CaCO3 required to react completely with 25 mL of 0.75 M HCl according to the given reaction would be:
\(CaCO_3 (s)\ + \ HCl (aq)\ \rightarrow CaCl_2(aq)\ + CO_2(g)\ \\~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~+ H_2O(l)\)
1. 0.36 g
2. 0.09 g
3. 0.96 g
4. 0.66 g
Subtopic: Concentration Based Problem | Equation Based Problem |
64%
Level 2: 60%+
Hints
Links
- 1(current)
Q. No.
© 2025 GoodEd Technologies Pvt. Ltd.