Name A, B, C, D, E and F in the following diagram showing change in its state

Question 9. Name A, B, C, D, E and F in the following diagram showing change in its state

Answer:

(i) A->Fusion
(ii) B->Vaporisation
(iii) C->Condensation
(iv) D->Solidification
(v) E->Sublimation
(vi) F->Sublimation

Now read the following concept for reference 

Interconversion of three states of matter: Any state of matter can be converted into other state with the help of temperature or pressure. Different terminology for the Interconversion of states of matter is given below:

(i) Solid to Liquid: Fusion
(ii) Liquid to Gas: Vaporisation
(iii) Gas to liquid: Condensation
(iv) Liquid to Solid: Solidification
(v) Solid to Gas: Sublimation
(vi) Gas to Solid: Sublimation

Observe the following diagram to memorise this Interconversion states of matter:

Samples of four metals A, B, C and D were taken

Question 3. Samples of four metals A, B, C and D were taken and added to the following solution one by one. The results obtained have been tabulated as follows.

(i)Which is the most reactive metal?
Answer: B is most reactive metal.

(ii) What would you observe if B is added to a solution of Copper (II) sulphate?
Answer: B will displace copper from copper sulphate.

(iii) Arrange the metals A, B, C and D in the order of decreasing reactivity.
Answer: Arrangement of metals in the order of decreasing reactivity B>A>C>D