Select the correct word from the words in brackets to complete each sentence

Question

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Question
Select the correct word from the words in brackets to complete each sentence

SO2 is converted to SO3 in the presence of ____ catalyst. (Pt / Ni) 
The solid catalysts in a reaction are used in powder form to get ____ surface area. (greater / smaller). 
HNO3 is manufactured from NH3 by ____ process. (Haber / Ostwald). 
The rainwater during thunderstorms is ____ (acidic/basic). 
On heating CaC2 and N2 at 1000°C produce ____ coloured substance. (Black /white)

Answer

SO2 is converted to SO3 in the presence of Pt catalyst.
Solid catalysts in a reaction are used in powder form to get a greater surface area.
HNO3 is manufactured from NH3 by Ostwald process.
The rainwater during thunderstorms is acidic.
On heating CaC2 and N2 at 1000°C, they produce a black colored substance.

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Select the correct word from the words in brackets to complete each sentence

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