Explain the terms:
(i) Grignard reagent
(ii) Dow process
(iii) Absolute alcohol
(iv) Denatured alcohol
(v) Methylated spirit

Explain the terms (i) fundamental frequency (ii) harmonics and (iii) overtones.

Match the following : {:((i),"Propane-1, 2, 3-triol", (a), "Bakelite"),( (ii),"Power alcohol", (b),"Denatured alcohol"),( (ii), "Methylated spirit", (c ), "Terylene"),( (iv), "Ethane-1-2-diol", (d), "Absolute ethanol + Petrol"),( (v) ,"Phenol", (e ), "Dynamite"):}

Explain the terms: (i) Active centres (ii) inhibitors (iii) promoters and (iv) catalytic poisons on the basis of adsorption theory.

Explain the terms i] Denaturated alcohol ii] Glacial acetic acid iii] Esterification

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

What is methylated spirit or denatured alcohol?

Explain the following: (i) Circle (ii) Radius (iii) Centre (iv) Diameter (v) Chord (vi) Interior of a circle

Explain the following terms : (i) "Peptization"" "(ii)"Loyphobic colloids"" "(iii)"Dialysis"

(a) (i) decreases, (ii) CO, CO2, (iii) brain, (iv) hallucinogen, depressant, (v) latex (b) (i) increases, (ii) CO, haembound oxygen, (iii) brain, (iv) sedative, painkiller, (v) latex (c) (i) decreases, (ii) CO, haembound oxygen, (iii) brain, (iv) sedative, painkiller, (v) latex (d) (i) increases, (ii) CO, haembound oxygen, (iii) heart, (iv) sedative, painkiller, (v) resin

Explain briefly the following terms with suitabe examples: (i) Protonema (ii) Antheridium (iii) Archegonium (iv) Diplontic (v) Sporophyll (vi) Isogamy