If lemon juice is added to marble what happens ?

If lemon juice is added to zinc or magnesium (any metal) what happens?

The gas liberated when lemon juice is added to egg shell is ___.

When drops of lemon juice are put on blue litmus it turns red. What will happen if you put some drops of soap solution on the same position on litmus paper?

Test the nature of lemon juice and milk sample with the help of natural indicators prepared from different flowers. Explain their nature.

Four students were given colourless liquids A,B,C of water, lemon juice and a mixture of water and lemon juice respectively. After testing these liquids with pH paper, following sequences in colour change of pH paper were reported. Blue, Red and Green Orange, Green and Green Green, Red and Red Red, Red and Green

What happens when Boric acid is added to water ?

pH value of Lemon juice is

Take things which are sour in taste and used as food. Eg. Curd, lemon juice. If you check these substances with blue and red litmus what happens ?

Categorize the following as acids, bases, and salts : lemon juice, salt water, soap water, tamarind juice, surf water, lime water.

Irfan says that he has 7 marbles more than five times the marbles Parmit has Irfan has 37 marbles. How many marbles does Parmit have?