General Knowledge :: Chemistry
- Indane gas is mixture of
- The charcoal used to decolourise brown sugar solution is
- Domestic cooking gas consists mostly of
- Which one of the following is known as the 'brown coal'?
- Which of the following is used to increase the anti-knocking property of petrol ?
- The quality of petrol is expressed in terms of
- Which of the following type of coal has the lowest proportion of volatile matter ?
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