tonmoyshyam5

Give the disadvantages of a direct current generator over alternating current generator.

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Branches of chemistry

What three problems could be addressed using algorithms?

What do you mean by Quantum phase transition in atomic nuclei?

 Organic Compounds are only soluble in _____.

Dead organisms are transformed into petroleum and natural gas is called ______.

 Nuclear fuel in the sun is ______.  

Alum is used as _____

Solder is an alloy of _____ .

Paraffin wax is _________ .

Which acid is used for etching glass?  

The metal constituent of chlorophyll is _____ .  

 Which gas is responsible for the swelling of bread?   

 The important metal used with iron to produce stainless steel is _____ .  

Kerosene is a mixture of _____ . 

 Vinegar is an aqueous solution of ______ .

 Most of the explosions in mines occurs due to mixing of ______ .

Efficiency of the catalyst depends on its _____

Zinc Phosphide is used as ______

Fuse wire is made up of ______

Purest form of Iron is _______

Radium is extracted from ______ .

Which agent is as ‘seed’ in artificial rain? 

Oxides of metals are ______ .  

 During the process of ‘rusting’ , the weight of iron _______

______ (metal) is liquid at room temperature.

______ is used to prepare fire proof and water proof clothes.

Galvanised iron is coated with _______

Chemical name of Chromic Acid is ________

Which metal is used in Photoelectric cell?  

Barium Hydroxide is also known as _______

 __________ is known as heavy water and used in nuclear reactor as moderator.  

 Deuterium is ______ of Hydrogen. 

Ozone is _______ of Oxygen.  

Ammonia (NH3) is synthesized through ______

 Chlorine is used to prepare _________

Which catalyst is used for the synthesis of Vanaspati Ghee?  

Which catalyst is used for the synthesis of Sulphuric Acid by Contact Process?

 Chemical name of Picric Acid is _______