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Chemistry

Chemistry
Which of the following molecules has a bond order of 2.5

HCL
CO
NO
F2

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Chemistry
Which of the following is the main compound of voter ink?

Silver Chloride
Silver nitrate
Ammonium Chloride
Ammonium Nitrate

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Chemistry
The quality of petrol is expressed in terms of

Added unlead compounds
Cetane number
Gold number
Octane number

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Chemistry
Stainless steel is usually made by alloying the steel with

Manganese and copper
Copper and nickel
Chromium and nickel
Copper and chromium

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Chemistry
Which one of the following elements is an example of noble gas ?

Hydrogen
Chlorine
Helium
Nitrogen

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Chemistry
Periodic table contains how many periods

6
7
8
10

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