MCQ
A measured temperature on Fahrenheit scale is 200°F. What will this reading be on Celsius scale?
- A40°C
- B94°C
- C93.3°C
- D30°C
Explanation:
$^\circ\text{F}=\frac{9}{5}(^\circ\text{C})+32$
$200=\frac{9}{5}(^\circ\text{C})+32$
$(^\circ\text{C})=(200-32)\times\frac{5}{9}$
$(^\circ\text{C})=93.3^\circ\text{C}$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

If the oxidation number of metal in the salt was $3$, what would be the new oxidation number of metal ?