Question

1. Fill in the blanks: [5]

i) An alloy is a ______________solid mixture.

ii) In Chromatography the adsorbent is called the_____________ phase and the

solution is called the_______________ phase.

iii) A molecule of a noble gas element contains_______________ atom.

iv) A molecule having atomicity greater than 2 is called a __________molecule.​

Answer 1

Answer:

i) matellic

ii) mobile stationary

iii) only 1

iv) .......

Answer 2

Answer:

• An alloy is a homogeneous solid mixture.
• In chromatography the absorbent is called stationery phrases and the solution is called the mobile phrase
• a molecule of a noble gas element contain one atom