HARD
7th CBSE
IMPORTANT
Earn 100

You are provided with a solution which is bitter in taste and soapy to touch. It is used to manufacture soap. What will happen if a drop of methyl orange is added to it?

Important Questions on Different Kinds of Materials

MEDIUM
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 5 - Different Kinds of Materials>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q B
What is the chemical nature of distilled water?
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 5 - Different Kinds of Materials>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
Bases turn blue litmus red.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 5 - Different Kinds of Materials>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
Phenolphthalein is colourless in basic medium.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 5 - Different Kinds of Materials>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
If soil is too acidic, quicklime is added to it.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 5 - Different Kinds of Materials>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
Sulphuric acid is present in the stomach.
MEDIUM
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 5 - Different Kinds of Materials>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
China rose has different colours in acidic, basic and neutral medium.
EASY
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 5 - Different Kinds of Materials>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
_____ are used to test acidic and basic nature of solution.
MEDIUM
7th CBSE
IMPORTANT
Start Up Science 7>Chapter 5 - Different Kinds of Materials>EXERCISES FOR FORMATIVE AND SUMMATIVE ASSESSMENT>Q C
Calamine lotion contains _____.