Acids and bases: Analyse based questions — task. Science State Board, Class 9.

PDF chapter test TRY NOW

1.

Which of the following is not a physical test for salt?

Odour
Smell
Flame
Colour

2.

What happens to pH paper if it comes into contact with blood?

The colour of the pH paper will change from blue to red.
No color change will occur.
The colour of the pH paper will change from red to green.
pH paper color will change from red to blue

Login or Fast registration

Previous exercise

Exit to the topic

Did you find an error?

Register for free to see more content

Register for free to see more content