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Chemistry

Chemistry
Which one element from below list is liquid at room temperature

Zinc
Bromine
Lead
Argon

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Chemistry
Iron and manganese present as pollutants in water cannot be removed by________

Chlorination
Oxidation followed by settling and filtration
Lime soda process or manganese zeolite process
Ion exchange process

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

Low electronegativity
Tendency to gain electrons
Low ionization energy
Malleability

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Chemistry
Taj Mahal is greatly affected due to :

Deforestation
Acid rain
Sound pollution
Tourists

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Chemistry
Bridgmanite is

Earth’s most abundant minera
A bridge on the river Thames
Name of a music
Name of a game

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Chemistry
Periodic table contains how many periods

7
10
6
8

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