Question

Write the correct alternative : ​

Answer 1

i. During collision Momentum remains constant

ii. Total energy of an object falling freely towards the ground remains unchanged.

iii. On dissolving the water CuSo dissociates into ____

iv. if aluminium is +3 and Flusoise is -1,molecular formula of aluminium fluoride is ____

v. ph of carbon dioxide is less than 7

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