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Chemistry

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

F2
NO
HCL
CO

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Chemistry
How many neutrons does iron have

26
8
13
30

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Chemistry
In ice, the number of hydrogen bonds per water molecule is

2
4
1
8

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Chemistry
The green colour seen in firework displays is due to the chloride salt of :

Sodium
Calcium
Strontium
Barium

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Chemistry
Which among the following is not a characteristic of transition metals?

Low ionization energy
Low electronegativity
Malleability
Tendency to gain electrons

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Chemistry
Epsom salt is used

As purgative
In softening water
In making tooth paste
In paper industry

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