General Knowledge :: Chemistry
- Preparation of ‘Dalda or Vanaspati’ ghee from vegetable oil utilizes the following process :
- Who is known as the 'father of modern chemistry'?
- Spirit in contact with body gives cool sensation because it is :
- The biogas used for cooking is a mixture of which of the following?
- ________ is a by product of sewage treatment and can be decomposed to produce biogas
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