Quiz Medium 4

In the process of preparation of detergents, the organic acids produced are neutralized with

The by-product of the process of seponification

Bromine is used as

The composition of light soda ash is

The group of algae having no flagellate motile cells at any stage is

The important condition for the formation of chemical bond is that

NH3 has a net dipole moment; while BF3 has zero dipole moment. This is because

Which of the following oxo acid of chlorine is the best oxidization agent?

The Cell wall in oomycetes is chemically composed of

Are used as water repellents

Most of the photosynthesis on earth is tamed by

In glass or vitreous state solid the atoms are arranged in

Hybridisation involves

Areal gas van der waals equation will resemble ideal gas it

Resonance structures of a molecule should have

Which of the following statements is wrong?

The most important group of producers in marine ecosystem is of

The acetylene molecule contain a

Proper proportioning of concrete, ensures

Consider the following dioxide of group 14; 1. CO2 2.SiO2 3. GeO2 4. SnO2 5. PbO2

Example of linear geometry

Lime stone deposits are formed from

Iodine is used is

A students gets 50, 60 and 90 marks out of 100. English , physics and economics respectively. He need 72% to get a scolarship. How many marks does he need t6o get in his final paper. Math's to obtain over all 72% marks

Metallic bond is treated essentially as in character