Chemistry (ablaal secondary school online test)

Ablaal secondary school

• A) night shift

• B) morning shift

• A/B

In Bronsted-lowry theory a base is defined as

• Proton donor

• hydroxide donor

• water former

• proton acceptor

What is the correct formula for nitrous acid?

• HNO2

• HN

• HNO3

• HNO

A substance that donates a pair of electron to form a coordinate covalent bond is called

• Lewis acid

• lewis base

• Bronsted-lowery acid

• Bronsted-lowery base

What is the correct formula for carbonic acid?

• H2CO3

• HCN

• HCO3

• H2CO5

If the PH value is greater than 7 then the solution is

• Acidic

• basic

• neutral

• salty

What is the correct formula for hydrochloric acid?

• HClO2

• ClOH

• HClO3

• HCl

Substances that react with both acids and bases are called

• Neutral

• Conjugate bases

• amphoteric substances

• Conjugate acids

What is the name of the acid with the formula HClO3

• Chlorous

• chloric acid

• per chloric acid

• hydrochloric acid

Substance that donate a pair of electron to form a coordinate covalent bond is called

• Lewis acid

• lewis base

• Bronsted -Lowry acid

• Bronsted -lowry acid