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Acids

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Questions and Answers

What is the taste of bases?

Sweet

Sour

Bitter (correct)

Salty

What type of substance changes the colour of blue litmus to red?

Base

Salt

Acid (correct)

Sugar

What happens when soap, which is basic in nature, is scrubbed on a stain of curry on a white cloth?

It turns green

It turns reddish-brown (correct)

It turns pink

It turns blue

Which of the following is not a natural indicator?

Methyl Orange Signup and view all the answers

What is the effect of washing a curry stained cloth with plenty of water after scrubbing it with soap?

It turns yellow Signup and view all the answers

What is the color of a litmus solution when it is neither acidic nor basic?

Purple Signup and view all the answers

What is the source of litmus solution?

Lichen Signup and view all the answers

Which of the following is not used as an acid-base indicator?

Rose petals Signup and view all the answers

What is the color of litmus solution in a neutral state?

Purple Signup and view all the answers

What is the plant division that lichen, the source of litmus solution, belongs to?

Thallophyta Signup and view all the answers

Which of the following flowers can be used as an acid-base indicator?

Hydrangea Signup and view all the answers