Untitled Quiz

Which of the following is used to detect the acidic or basic nature of a solution?

• Metallic indicator

• AAll of the above

• Universal indicator

• Phenolphthalein

Tooth enamel is made of which compound?

• Ca₂(PO₄)₂

• CaI₂O₂

• Ca₃(PO₄)₂

• Ca(OH)₂

What is the pH of the salt formed from a weak acid and a strong base?

• 11

• 9

• 7

• 3

Which property is used in the olfactory indicators?

• Sound

• Odour

• Colour change

• Taste

An antacid is classified as?

• Acid

• Neutral

• Base

• Both A and B

What is the color of methyl orange in an alkaline medium?

• Yellow

• Red

• Orange

• Blue

What is the chemical name of Plaster of Paris?

• Calcium sulphate dihydrate

• Calcium sulphate monohydrate

• Calcium sulphate hemihydrate

• Calcium sulphate dihydroxide