Quiz Medium 4

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Quiz Medium 4

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

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The by-product of the process of seponification

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Bromine is used as

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The composition of light soda ash is

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

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The important condition for the formation of chemical bond is that

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

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

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The Cell wall in oomycetes is chemically composed of

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Are used as water repellents

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Most of the photosynthesis on earth is tamed by

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In glass or vitreous state solid the atoms are arranged in

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Hybridisation involves

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Areal gas van der waals equation will resemble ideal gas it

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Resonance structures of a molecule should have

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Which of the following statements is wrong?

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The most important group of producers in marine ecosystem is of

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The acetylene molecule contain a

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Proper proportioning of concrete, ensures

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

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Example of linear geometry

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Lime stone deposits are formed from

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Iodine is used is

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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

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Metallic bond is treated essentially as in character

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