Q4 of 18 Page 9

Answer the following :

Water is tasteless, but we experience different tastes of water in different places. Why?

The taste of water depends on the source of water. Water comes from different rivers which flow on the different soil surface. The salts and minerals from the soil dissolve in river water and thus affecting its taste. Distilled water is tasteless as it does not contain any minerals dissolved in it.


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Fill in the Blanks with suitable words

1. Chemical name of Epsom salt is _______.


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Match the following:

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Answer the following :

Write balanced equations for the reaction of sodium, potassium, and calcium in the cold water.

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Answer the following :

What happens when steam is passed over red-hot iron? Write the equation.