What is the meaning of the above hazard warning symbol?

Acid in soft drink:

Reaction between acid and alkali producing salt and water:

What colour does red litmus paper turn when added to an alkali?

Alkali could also be known as

What kind of acid is present in your stomach?

Which of the following about properties of acid is not true?

Which of the following will change the red litmus paper to blue?

Which of the following indicator will show different colour in acid, neutral and alkali?

Sodium hydroxide is used

Hydrochloric acid + Sodium hyroxide  $\rightarrow$   ____________ + Water

Nitric acid + __________  $\rightarrow$  Sodium nitrate + Water

The technique used in neutralisation is called

What is the example of alkaline substance

Teacher has run out of litmus paper. Which of the following indicator can be used to replace the litmus paper?

Which of the following values would represent the pH of a strong base?

According to the pH range given in the image,which substance is more acidic than lemon juice?

Acid in vinegar:

Indigestion can be treated by drinking ....

Something that can be used to identify acid/alkali:

If the titration achieved end point of Neutralisation. What will be the pH of solution inside conical flask?

Fabric softener is ...... and help to reduce pH of cloth after being washed with detergent

Acidic is not suitable for farming activities. To reduce the acidity of soil alkaline subatance C is added into it. What is C?

Toothpaste will help to reduce acidity on tooth surface produced by bacteria.

This means toothpaste is