Which of the following statements are CORRECT?
I. Ethanol is a good solvent for organic compounds.
II. Boiling and melting points of ethanol are low with respect to water.
III. Ethanol is used tincture iodine
The percentage of nitrogen in the air is about
View Answer Report Error Discuss
Methane contributes towards global warming so it is called a _________________ gas.
Which of the following is a metal?
Which of the following group is NOT Dobereiner Triads?
Safety matches contain
Air ___________________ are the substances which contaminate the air.
By using which foam the Researchers from Indian Institute of Technology – Bombay have made a low cost piezo resistive vibration sensor?
Which of the following is NOT a compound?