Which of the following statements are CORRECT?
I. The soap molecules form structures called micelles.
II Soap micelles cannot scatter light.
III. Oily dirt gets collected in the center of the micelle.
The percentage of nitrogen in the air is about
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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?
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