Which of the following are the example of double salt?
A. $$\mathrm{FeSO}_{4} \cdot\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4} \cdot 6 \mathrm{H}_{2} \mathrm{O}$$
B. $$\mathrm{CuSO}_{4}\cdot 4 \mathrm{NH}_{3} \cdot \mathrm{H}_{2} \mathrm{O}$$
C. $$\mathrm{K}_{2} \mathrm{SO}_{4} \cdot \mathrm{Al}_{2}\left(\mathrm{SO}_{4}\right)_{3} \cdot 24 \mathrm{H}_{2} \mathrm{O}$$
D. $$\mathrm{Fe}(\mathrm{CN})_{2}\cdot4 \mathrm{KCN}$$
Choose the correct answer :
Match List I with List II :
List I | List II | ||
---|---|---|---|
A. | Slaked lime | I. | $$\mathrm{NaOH}$$ |
B. | Dead burnt plaster | II. | $$\mathrm{Ca(OH)_2}$$ |
C. | Caustic soda | III. | $$\mathrm{Na_2CO_3\cdot 10H_2O}$$ |
D. | Washing soda | IV. | $$\mathrm{CaSO_4}$$ |
Choose the correct answer from the options given below :
Match List I with List II
List I | List II | ||
---|---|---|---|
A. | Tranquilizers | I. | Anti blood clotting |
B. | Aspirin | II. | Salvarsan |
C. | Antibiotic | III. | antidepressant drugs |
D. | Antiseptic | IV. | soframicine |
Choose the correct answer from the options given below:
Given below are two statements: one is labelled as Assertion A and the other is labelled as Reason R
Assertion A: In an Ellingham diagram, the oxidation of carbon to carbon monoxide shows a negative slope with respect to temperature.
Reason R: CO tends to get decomposed at higher temperature.
In the light of the above statements, choose the correct answer from the options given below