EASY
8th ICSE
IMPORTANT
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What do you observe when Blue vitriol is heated ?

Important Questions on Water

EASY
8th ICSE
IMPORTANT
What do you observe when washing soda is exposed to air ?
MEDIUM
8th ICSE
IMPORTANT
What happens when a drop of litmus solution is added to water or syrup?
EASY
8th ICSE
IMPORTANT
Give reason for Silica gel pouches are kept in unused water bottle.
EASY
8th ICSE
IMPORTANT
Give reason : Table salt becomes moist during the rainy season.
EASY
8th ICSE
IMPORTANT
Give reason On opening a bottle of a cold drink, a fizz sound is heard.
EASY
8th ICSE
IMPORTANT

Write a balanced chemical reaction between the following:

  • Sodium metal with water.
MEDIUM
8th ICSE
IMPORTANT
Write the balanced chemical equation for the reaction of iron with steam.
EASY
8th ICSE
IMPORTANT
Give balanced chemical equation for the reaction of water with Carbon dioxide.