The common refrigerant in domestic refrigerator is
A). Neon
B). Oxygen
C). Nitrogen
D). Freon
Freon
Common refrigerants used in domestic refrigerators are freon, neon and nitrogen. It flows through four components of refrigerator again and again. These four components are cooling chamber, compressor, heat exchanger and expander.
1. The gas which is present in both the natural gas and the bio- gas is-
2. If water smells bad, then that odour can be removed by adding
3. Atomic number of which of the following elements is greater than that of Iodine
4. Gobar gas basically contained
5. 'Fire-fighting clothes' are made from
7. Which one of the following is radioactive ?
8. Question 14.21:What are nucleic acids? Mention their two important functions.
9. Which of the following is used as non-stick coating for cooking utensils?