KSSM Science form 2 chapter 6

Choose the correct characteristics of Acid.

• Ph > 7

• React with Metals

• Turns red litmus paper to blue

• Bitter taste

If a Blue litmus paper is inserted into an orange juice. What colour does the litmus paper turns to?

Acid + Alkali —> ______ + Water

• Sugar

• Salt

• Hydrogen

• Oxygen

• Carbon Dioxide

Tags

NGSS.MS-PS1-5

What are produce when Acid reacts with active metals?

• Water

• Salt

• Hydrogen Gas

• Oxygen Gas

• Helium Gas

Tags

NGSS.MS-PS1-5

Below are the application of neutralisation of Toothpaste

• Reduce acidity in the soil

• neutralise acid in stomach

• neutralise alkaline in mouth

• Neutralise acid in mouth

below are the colour of Universal indicator when in ACID and Alkaline.

• ACID=Red ALKALINE=Purple

• ACID=Blue ALKALINE=Red

• ACID=Yellow ALKALINE=Blue

• ACID=Red ALKALINE=Blue

What acid or alkali are used to make car batteries?

• Citric acid

• Hydrochloric acid

• Sulphuric acid

• Formic acid

What acid or alkali are used to make soap?

• Hydrochloric Acid

• Sodium Hydroxide

• Ammonium Solution

• Sulphuric acid

What is the use of Formic acid?

• Used in coagulation of latex

• Used to prevent coagulation of latex

• Used as car batteries

• Used to make soap

What substance has a pH of 7?