Which of the following is used for refrigeration?
1). Sulphur dioxide
2). Chlorine
3). Freon
4). Phosphine
Answer This Question with Explaination and Earn! Click Here to Know More!
1. The main constituent of naturalgas is
2. Galvanised iron is made by coating iron with
3. Sending a frame to a group of stations is known as __________
5. Which one is a sublime substance?
6. The compound to which H2 does not add is
7. The isotope of Uranium used in atomic reactors is
8. For generation of biogas the materials commonly used are
9. Cooking gas is a mixture of
10. The mass of P4O10 that will be obtained from the reaction of 1.33 gram of P4 and 5.07 of oxygen is