Can you answer some main questions in this worksheet??
1.
Properties of acids
They are proton donors
They have pH less than 7
They are sour to taste
They increase H+ ion concentration in solution
Acids neutralize bases producing a salt and water
Acids turn blue litmus to red
Acids react with active metals to produce hydrogen
E.g. of acids: HNO3 – nitric acid, HCl – hydrochloric acid, HC2H3O2 – acetic acid etc.
12. Nephron is the structural and functional unit of the kidney because it acts as a unit of filtration and removes the waste products from blood and forms urine. Each kidney possesses a large number of nephrons (approximately 1- 1.5 million).
It helps in reabsorption and secretion of various solutes such as glucose, amino acids etc. It also helps in removal of excess waste from the body.
Please ask question in separate threads.
Regards.