The viscosity of ____________ oils does not change much with temperature.
Silicone
Silicon dioxide
Silica
Silicates
____________having medium chains behave as viscous oils,jellies and greases.
____________is the purest form of silica.
Quartz
Tridymite
Crystobalite
Diamond
____________ions are found primarily on the outside of cells which are located in blood plasma and in the interstitial fluid surrounding the cells.
Sodium
Potassium
Magnesium
All the above
___________ions play several role in the body.
The nature of a ______ polymer depends upon the length of the chain, extent of cross linking and the size of the alkyl or aryl groups present in it.
What is the formula for chloro sulphonic acid?
SO2Cl2
SOCl
Cl.SO3H
None of the above
Which one of the following is vital to living beings?
__________ regulate the flow of water across cell membrane and in the transport of sugars and amino acids into cells.
A typical 70kg man contains about ____________ of sodium.
50g
70g
90g
60g