21 Chemistry -- Non-Metals: Phosphorus

MCQ'S FOR PHOSPHORUSMCQs:1. What is the chemical symbol for phosphorus?a. Pb. Phc. Pod. PeAnswer: a. P2. What is phosphorus used for in fertilizer?a. To help plants grow tallerb. To improve the color of plantsc. To increase the root strength of plantsd. To increase the fruit and seed pr...

MCQ'S FOR PHOSPHORUS

MCQs:

1. What is the chemical symbol for phosphorus?

a. P

b. Ph

c. Po

d. Pe

Answer: a. P

2. What is phosphorus used for in fertilizer?

a. To help plants grow taller

b. To improve the color of plants

c. To increase the root strength of plants

d. To increase the fruit and seed production of plants

Answer: d. To increase the fruit and seed production of plants

3. What are the two most common allotropes of phosphorus?

a. Red and yellow

b. Black and white

c. Red and white

d. Yellow and black

Answer: c. Red and white

4. What is the role of phosphorus in the human body?

a. Essential component of bones and teeth

b. Component of DNA and RNA

c. Essential component of muscles

d. Essential component of the blood

Answer: a. Essential component of bones and teeth

5. How is white phosphorus different from red phosphorus?

a. White phosphorus is more reactive

b. Red phosphorus is more reactive

c. Both are equally reactive

d. Neither is reactive

Answer: a. White phosphorus is more reactive

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