MEDIUM
7th Kerala Board
IMPORTANT
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Why are the wounds on the body washed with the salt solution?

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Important Questions on Safety in Food Too

MEDIUM
7th Kerala Board
IMPORTANT
Science for Class 7 - Part 2>Chapter 5 - Safety in Food Too>Let us assess>Q 2
Coconuts are broken and dried for copra. Why?
EASY
7th Kerala Board
IMPORTANT
Science for Class 7 - Part 2>Chapter 5 - Safety in Food Too>Let us assess>Q 3
A small amount of chilly powder is put into water to find whether it is adulterated with brick powder. Why?
HARD
7th Kerala Board
IMPORTANT
Science for Class 7 - Part 2>Chapter 5 - Safety in Food Too>Let us assess>Q 4
"Gargling your throat with a warm salt solution for some time will help relieve throat pain". This is Amal's opinion. Can you give an explanation for this suggestion?