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Answers
1) Acids - acids are proton donors or electron pair acceptors
Bases - proton acceptors or electron pair donors
Acids - sour in taste
Bases - bitter in taste
Acids - corrosive in nature
Bases - soapy in nature
2) Baking soda can be produced by a reaction of carbon dioxide with an aqueous solution of sodium hydroxide , or by treating a sodium carbonate solution with carbon dioxide. It can also be prepared by Solvay process which is the reaction of sodium chloride , ammonia and carbon dioxide in water.
USES
a) Treat heart burn
b) Mouth wash
c) Sooth canker sores
d) Whiten your teeth
e) Deodorant
f) may improve exercise performance
3) Amoeba takes in food with a temporary finger - like extensions of the cell surface which fuse over the food particle forming a food vacuole.Inside the food vacuole , complex substances are broken down into simpler ones which then diffuse into the cytoplasm.
4) Budding is a type of asexual reproduction , in which a new organism develops from an outgrowth or bud , due to cell division at one particular site.
Binary Fission is a process in which a one parent cell is split into two daughter cells of approximately equal size.
5) a) Biogas is produced through the processing of various types of organic waste.
b) It is a renewable and environment friendly fuel , made from 100% local feedstocks that is suitable for a diversity of uses including road vehicle fuel and industrial uses.
c) Biogas can be produced from a large variety of raw material .
d) The biggest role n the biogas production is played by the microbes feeding on the biomass.
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