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Chemistry

Chemistry
Which one is the most dense liquid from the below

Choloform
Water
Gasolin
None of these

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Chemistry
PH value between 6.5-7.5 makes the soil

Acidic
Basic
None of these
Neutral

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Chemistry
The metal does not give H2 on treatment with dilute HCL is

Ca
Ag
Fe
Zn

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Chemistry
Carbon footprint can be reduced by

Using energy efficient appliances
Recycling waste materials
Commuting by public transport
All of these

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Chemistry
Which one of the following is found in kidney stones?

Sodium oxalate
Calcium acetate
Calcium oxalate
Sodium chloride

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Chemistry
The material used in solar cells contains

Silicon
Caesium
Tin
Thallium

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