State whether the following sentences are true or false:
Portland cement is basically silicates and aluminates of calcium

Indicate whether the following statements are true or false:

State whether the following sentences are true or false: Baking soda is chemically sodium hydrogen carbonate

State whether the following is true or false:If AsubB ,then AuuB=B .

Examine whether the following statement are true or false {a} in {a,b,c}

Examine whether the following statement are true or false {a} sub {a,b,c}

Examine whether the following statement are true or false {a,b} cancelsub {b,c,a}

State whether the following statement are true or false. A chromosome is mostly made of RNA

State whether the following statements are true or false A chromosome is mostly made up of RNA

State whether the following sentences are true or false: (a) Metals in the second group are called alkali metals. (b) Alkali metals are not found in free state in nature. (c) Baking soda is chemically sodium hydrogen carbonate. (d) Portland cement is basically silicates and alu minates of calcium.

State whether the following statements are true or false. Operon concept was proposed by Jacob and Monod