In the metallurgy of aluminium
In the metallurgy of aluminium
51%
Level 3: 35%-60%
Please attempt this question first.
Hints
Please attempt this question first.
Hints
Which one of the following reactions of xenon compounds are not feasible?
Level 3: 35%-60%
Please attempt this question first.
Hints
The thermal decomposition of HCOOH is a first order reaction with a rate constant of 2.4×10-3s-1 at certain temperature. Calculate how long will it take for three fourths of initial quantity of HCOOH to decompose?
1. 578 s
60%
Level 2: 60%+
Please attempt this question first.
Hints
The statement among the following that is not correct about the order of a reaction is:
| 1. | The order of a reaction can be a fractional number. |
| 2. | The order of a reaction is an experimentally determined quantity. |
| 3. | The order of a reaction is always equal to the sum of the stoichiometric coefficients of reactants in the balanced chemical equation for a reaction. |
| 4. | The order of a reaction is the sum of the powers of molar concentrations of the reactants in the rate law expression. |
Subtopic: Definition, Rate Constant, Rate Law |
81%
Level 1: 80%+
Please attempt this question first.
Hints
Please attempt this question first.
Which of the following reagents would not be a good choice for reducing an aryl nitro compound to an amine?
57%
Level 3: 35%-60%
Please attempt this question first.
Hints
Which is the correct statement about birth control pills?
1. Contain estrogen only
2. Contain progesterone only
3. Contain a mixture of estrogen and progesterone dertivatives
4. Progesterone enhances ovulation
78%
Level 2: 60%+
Please attempt this question first.
Hints
© 2026 GoodEd Technologies Pvt. Ltd.