1. Bithional is an example of
2. Gas used for artificial ripening of fruits is
3. Which of the following statements are correct?
1. The soap molecules form structures called micelles.
2. Soap micelles cannot scatter light.
3. Only dirt gets collected in the centre of the micelle.
1. The soap molecules form structures called micelles.
2. Soap micelles cannot scatter light.
3. Only dirt gets collected in the centre of the micelle.
4. Which type of glass is used for making glass reinforced plastic?
5. Which of the following imparts a blue colour to glass?
6. Bleaching powder is used in drinking water as alan
7. Which one of the following is not correctly matched?
8. Urea is a
9. The addition of gypsum to Portland cement helps in
10. Which one of the following explosives does not contain nitroglycerine as an essential constituent?
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