4. State whether the statements given below are True or False.

(e) Sugar does not dissolve in water.

Q.

State whether the statements given below are true or false.​
​

(i) Chalk dissolves in water.​

(ii) Sugar does not dissolve in water.​

(iii) Oil mixes with water.​

(iv) Sand settles down in water.​

(v) Vinegar dissolves in water.​

Q. State whether the statements given below are true or false.
(i) Stone is transparent, while glass is opaque.
(ii) A notebook has lustre while eraser does not.
(iii) Chalk dissolves in water.
(iv) A piece of wood floats on water.
(v) Sugar does not dissolve in water.
(vi) Oil mixes with water.
(vii) Sand settles down in water.
(viii) Vinegar dissolves in water.

Q.

Question 4 (ii)

State whether the statement given below is True or False.

A notebook has lustre while eraser does not.

Q. State with reasons whether the following statements are true of false.

E-business allows you to work across the globe in any field.

Q. State whether the following are physical or chemical changes.
(k) dissolving sugar in water