Can you tell where we use milligrams?

When you multiply a number by 6 and subtract 5 from the product you get 7. Can you tell what the number is ?

Can you tell Tupperware is thermosetting plastic or thermo plastic?

From what you have learnt, can you tell whether enzymes are bigger or DNA is bigger in molecular size? How did you know?

Can you give any examples where we use fractional distillation techique?

Observe the colour of leaf stained with iodine. Can you tell why it is stained differently?

A mixture of oxygen and ethyne is burnt for welding. Can you tell why a mixture of ethyne and air is not used ?

Can you tell the number of zeroes of a polynomials of n^(th) degree ?

By looking at which internal structure of a plant can you tell whether a plant is C_(3) or C_(4) ? Explain.

By looking at a plant externally can you tell whether a plant is C_(3) or C_(4) ? Why and how?