Acids and Alkalis

Question 1

What is pH 6 or lower?

Answer 1

Acid

Question 2

What is pH 8 or Higher?

Answer 2

Alkali

Question 3

What is pH 7?

Answer 3

Neutral

Question 4

What solution do you use to find pH?

Answer 4

Universal Indicator - Changes Colour

Question 5

What does the reaction of metals with acid makes?

Answer 5

Metal + Acid - Metal Salt + Hydrogen

Question 6

What does the reaction of hydrochloric acid makes?

Answer 6

Metal + Hydrochloric Acid - Metal Chloride + Hydrogen

Question 7

What does reaction with Sulphuric Acid makes?

Answer 7

Metal + Sulphuric Acid - Magnesium Sulphate + Hydrogen

Question 8

What does reaction with Nitric Acid makes?

Answer 8

Metal + Nitric Acid - Metal Nitrate + Hydrogen

Question 9

If there reactivity is high that means….

Answer 9

• Vigorously Reaction & Exothermically