1.

In a compound, the ratio of carbon and oxygen is 1 : 4. Find the percentage of carbon in a compound.1. 20 %2. 10 %3. 5 %4. 80 %5. 25 %

Answer» Correct Answer - Option 1 : 20 %

Given:

Ratio of carbon and oxygen = 1 : 4.

Formula used:

Percentage of carbon = (Value of carbon/ sum of ratio) × 100

Calculation:

Sum of the terms of ratio = 1 + 4 = 5

Percentage of carbon = (1/5) × 100

⇒ 20%

The percentage of carbon is 20%



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