A yellow stain of turmeric containing curry on a white shirt turns red when soap solution is scrubbed on it. This shows that soap solution is

Which of the following is a mineral acid

The substance which can turn blue litmus to red is

Which of the following contains lactic acid

Which one of the following salts will give a basic solution on dissolving in water

One of the following is a medicine for indigestion. This is :

Which of the following is a strong base

When a basic solution is added to an indicator, a green colour is produced. The indicator should be

The indicator which give red or pink colour on adding a basic solution are

Which indicator will produce a pink colour on adding a few drops of sodium hydroxide solution