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1. Describe how crystalsli. Why should curd and other sour substances not be kept inaluminium or copper containers ?Why is water essential for plants ?​

Answer»

ii) Curd and sour substances contain acids. Acids react with METALS to produce salt and hydrogen gas. So, if such substances are kept in copper container, the acid will react and the container will be corroded.

iii) Water is vital for the life and survival of all PLANTS.

Water is also essential for the transportation of nutrients and sugars from the soil to the plants. All plants will suffer from water SHORTAGE or drought at some point. This can be fatal in some cases or severely slow the growth of those plants. Plants SUFFERING from a prolonged drought can be left susceptible to secondary infection by PESTS and pathogens.

(Please write the first question correctly)



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