Luke Walker
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Higher School Certificate Chemistry Quiz on Chem module - 1, created by Luke Walker on 19/02/2019.

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Luke Walker
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Chem module - 1

Question 1 of 23

1

What is the chemical formula of Sodium hydroxide

Select one of the following:

  • NaOH

  • NaHO

  • NaOH2

  • NaHO2

  • NaH2

  • Na2H

  • HNa3

Explanation

Question 2 of 23

1

What is the chemical formula of Hydrochloric acid

Select one of the following:

  • HCl

  • HCl2

  • HO3

  • H2O4

  • HNaO2

Explanation

Question 3 of 23

1

What is the chemical formula of sulfuric acid

Select one of the following:

  • HSO3

  • NaSO2

  • H2SO4

  • NaSO

  • NaS2

Explanation

Question 4 of 23

1

What is the chemical formula of Methane

Select one of the following:

  • CH2

  • ClH2

  • HCl

  • ClOH2

  • CH4

Explanation

Question 5 of 23

1

What is the chemical formula of Ammonia

Select one of the following:

  • NH2

  • NaH2

  • OH3

  • NaH2O4

  • NH3

Explanation

Question 6 of 23

1

What is the chemical formula for a Ammonium ion

Select one of the following:

  • Na2H3-1

  • NOH2-3

  • NH4+

  • Nah2-

Explanation

Question 7 of 23

1

What is the chemical formula for a Hydroxide ion

Select one of the following:

  • O2H-

  • H2O3-2

  • OH-

  • HO+

Explanation

Question 8 of 23

1

What is the chemical formula for a Nitrate ion

Select one of the following:

  • NO3-

  • N2O-

  • NaO-

  • NaO3-2

Explanation

Question 9 of 23

1

What is the chemical formula for a Carbonate ion

Select one of the following:

  • CO3-

  • CO3-2

  • CH2-

  • CH3-3

Explanation

Question 10 of 23

1

What is the chemical formula for a Sulfate ion

Select one of the following:

  • SOH4-3

  • SO4-2

  • SO2-3

  • SOH2-4

Explanation

Question 11 of 23

1

What is the chemical formula for a Phosphate ion

Select one of the following:

  • PO3-

  • PH2-

  • PH2-4

  • PO4-3

Explanation

Question 12 of 23

1

What is the chemical formula for the Polyatomic ion not included in OH NO CO SO PO 11334

Select one of the following:

  • NaH4+ and HCO2-

  • NaH4+ and HCO3-

  • NH4+ and HCO2-

  • NH4+ and HCO3-

Explanation

Question 13 of 23

1

what of the following is used in the process of filtration

Select one of the following:

  • Sifter

  • Filter paper

  • Heat

  • distillation

  • sedimentation

Explanation

Question 14 of 23

1

A sand, Iron and Salt mixture is a heterogeneous mixture

Select one of the following:

  • True
  • False

Explanation

Question 15 of 23

1

A Mixture of Sand, water and salt is type homogeneous mixture

Select one of the following:

  • True
  • False

Explanation

Question 16 of 23

1

A Mixture of water and salt is type homogeneous mixture

Select one of the following:

  • True
  • False

Explanation

Question 17 of 23

1

Wet sand is a heterogeneous Mixture

Select one of the following:

  • True
  • False

Explanation

Question 18 of 23

1

Which Process do you use to turn salt water into salt crystals

Select one of the following:

  • Sieving

  • Gas Chromatography

  • Evaporation

  • decanting

Explanation

Question 19 of 23

1

What Process do you use to get soild particles to settle on the bottom so that the liquid can be poured off?

Select one of the following:

  • Sedimentation or decanting

  • separating funnel

  • sieving

  • filtration

Explanation

Question 20 of 23

1

Which Process is used when mining for gold

Select one of the following:

  • sieving

  • flitration

  • evaporation

  • gas chromatography

Explanation

Question 21 of 23

1

What is the chemical formula of potassium iodide

Select one of the following:

  • KI

  • KI2

  • K2I

  • KI3

Explanation

Question 22 of 23

1

What is the chemical formula of magnesium Oxide

Select one of the following:

  • MgO

  • MgO2

  • MgH2

  • MgH3

Explanation

Question 23 of 23

1

What is the chemical formula of Potassium nitride

Select one of the following:

  • K2N2

  • KN3

  • K3N

  • KN

Explanation

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