Define and understand the following terms:
(i) Phylum (ii) Class (iii) Family (iv) Order (v) Genus

Define the following terms: - i) Species ii) Class ii) Family iv) order v) Genus.

Define the following terms with examples . (i) Class (ii) Family (iii) Order (iv) Genus (v) Division

Define the following terms. (i) Mineral (ii) Ore (iii) Gangue

What do you understand by the following terms (i) roasting (ii) smelting

Define the following terms: (i) Mole fraction (ii) Molality (iii) Molarity (iv) Mass percentage.

Define the following terms: (i) Ideal solution (ii) Azeotrope and (ii) Osmotic pressure

Show the following on number lines. i) 7/6 , ii) 5/2 iii) 7/5 iv) 9/6

Which of the following are perfect cubes ? (i) 243 (ii) 400 (iii) 500 (iv) 512 (v) 729

What do you understand by the terms: (i) hydrogen economy (ii) hydrogenation (iii) syngas (iv) water gas shift reaction (v) fuel -cell?

Identify the terrestrial mammals from the following . (i) Balaenoptera (ii) Elephas (iii) Delphinus (iv) Panthera (v) macropus