Predict the mode of energy transference in the following processe.
(i) Cooking of food
(ii) Photosynthesis
(iii) Setting a cracker to fire.

Describe the following processes: (i) dialysis (ii) Electrophoresis (iii) tyndall effect

Explain how the phenomenon of pdsorption finds application in each of the following processes : (i) Production of vacuum (ii) Heterogeneous catalysis (iii) Froth Floatation process

Predict the modes of occurrence of the following three types of metals: (i) Highly reactive (e.g., Na) (ii) Moderately reactive (e.g., Fe) (iii) Noble metal (e.g., Au)

Explain how the phenomenon of adsorption finds application in each of the following processes: (i) Production of vacuum (ii) Heterogeneous catalysis (iii) Froth floatation process

Complete the following reaction : i. ii. iii. iv.

Identify the wrong statements from the following : (i) Branches of limited growth in Aspargus perform photosynthesis (ii) Petiole of Australian Acacia helps in climbing (iii) Floral buds of Agave store food materials (iv) Aerial roots of Taeniophyllum helf in vegetative propagation

From the adjoining Venn diagram , find the following sets : (i) P (ii) Q (iii) P cup Q (iv) P cap Q

Define the followings: (i) Nuclear fission (ii) Nuclear fusion (iii) Binding energy.

State the energy transformation in the following: (i) electricity is obtained from solar energy. (ii) electricity is obtained from wind energy. (iii) electricity is obtained from hydro energy. (iv) electricity is obtained from nuclear energy.

Draw a schematic diagram showing the (i) ground wave (ii) sky wave and (iii) space wave propagation modes for em waves. Write the frequency range for each of the following : (i) Standard AM broadcast (ii) television (iii) Satellite communication