Consider the following which can be found in the ambient atmosphere: 1. Soot 2. Sulphur hexafluoride 3. Water vapour Which of the above contribute to the warming up of the atmosphere?

Which one of the following statements is true when non-metals are dissolved in water?

Which one of the following statements is NOT correct ?

Which one of the following is the colour of hydrogen gas?

Which of the following is not in the form of crystal?

Consider the following statements and select the correct one.