Question

show by a chemical reaction with water that $Na_2 O[tex] is a basic oxide and [tex ]Cl_2O_7$ is an acidic oxide.
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Answer 1

The fluid mosaic model describes the structure of the plasma membrane as a mosaic of components —including phospholipids, cholesterol, proteins, and carbohydrates—that gives the membrane a fluid character.

Answer 2

Answer:

If a man's face is 25 cm in front of concave shaving mirror producing erect image 1.5 times the size of face, focal length of the mirror would be (a) 75 cm.