Sorting And Sep...

Consider three groups (i, ii and iii) of various substances given below:

(i) Water, benzene, milk
(ii) Wood, steel, mirror
(iii) Pepper, turmeric, coriander

Which of the following options gives the correct match of the group and the property which is common to all the substances in that group?

Which of the following materials are lustrous?

(i) Steel knife
(ii) Gold jewellery
(iii) Iodine
(iv) Stone
(v) Silk cloth

Among the following groups of objects, select the one in which all the objects can be made from plastic, wood, metal as well as glass.

Which of the following are pure substances?

(i) Elements
(ii) Compounds
(iii) Mixtures

Which of the following is not a mixture?

Identify the odd one among the following.

Which of the following statements is not correct about a compound?

Which of the following is the term used for a homogeneous mixture of metals?

Consider the following substances:

(a) Air
(b) Water
(c) Hydrogen
(d) Milk

Which of the given substances exhibit properties such as variable composition and no sharp melting and boiling points?