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Chem module - 1

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Higher School Certificate Chemistry Quiz on Chem module - 1, created by Luke Walker on 19/02/2019.
Luke Walker
Quiz by Luke Walker, updated more than 1 year ago
Luke Walker
Created by Luke Walker about 5 years ago
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Resource summary

Question 1

Question
What is the chemical formula of Sodium hydroxide
Answer
  • NaOH
  • NaHO
  • NaOH2
  • NaHO2
  • NaH2
  • Na2H
  • HNa3

Question 2

Question
What is the chemical formula of Hydrochloric acid
Answer
  • HCl
  • HCl2
  • HO3
  • H2O4
  • HNaO2

Question 3

Question
What is the chemical formula of sulfuric acid
Answer
  • HSO3
  • NaSO2
  • H2SO4
  • NaSO
  • NaS2

Question 4

Question
What is the chemical formula of Methane
Answer
  • CH2
  • ClH2
  • HCl
  • ClOH2
  • CH4

Question 5

Question
What is the chemical formula of Ammonia
Answer
  • NH2
  • NaH2
  • OH3
  • NaH2O4
  • NH3

Question 6

Question
What is the chemical formula for a Ammonium ion
Answer
  • Na2H3-1
  • NOH2-3
  • NH4+
  • Nah2-

Question 7

Question
What is the chemical formula for a Hydroxide ion
Answer
  • O2H-
  • H2O3-2
  • OH-
  • HO+

Question 8

Question
What is the chemical formula for a Nitrate ion
Answer
  • NO3-
  • N2O-
  • NaO-
  • NaO3-2

Question 9

Question
What is the chemical formula for a Carbonate ion
Answer
  • CO3-
  • CO3-2
  • CH2-
  • CH3-3

Question 10

Question
What is the chemical formula for a Sulfate ion
Answer
  • SOH4-3
  • SO4-2
  • SO2-3
  • SOH2-4

Question 11

Question
What is the chemical formula for a Phosphate ion
Answer
  • PO3-
  • PH2-
  • PH2-4
  • PO4-3

Question 12

Question
What is the chemical formula for the Polyatomic ion not included in OH NO CO SO PO 11334
Answer
  • NaH4+ and HCO2-
  • NaH4+ and HCO3-
  • NH4+ and HCO2-
  • NH4+ and HCO3-

Question 13

Question
what of the following is used in the process of filtration
Answer
  • Sifter
  • Filter paper
  • Heat
  • distillation
  • sedimentation

Question 14

Question
A sand, Iron and Salt mixture is a heterogeneous mixture
Answer
  • True
  • False

Question 15

Question
A Mixture of Sand, water and salt is type homogeneous mixture
Answer
  • True
  • False

Question 16

Question
A Mixture of water and salt is type homogeneous mixture
Answer
  • True
  • False

Question 17

Question
Wet sand is a heterogeneous Mixture
Answer
  • True
  • False

Question 18

Question
Which Process do you use to turn salt water into salt crystals
Answer
  • Sieving
  • Gas Chromatography
  • Evaporation
  • decanting

Question 19

Question
What Process do you use to get soild particles to settle on the bottom so that the liquid can be poured off?
Answer
  • Sedimentation or decanting
  • separating funnel
  • sieving
  • filtration

Question 20

Question
Which Process is used when mining for gold
Answer
  • sieving
  • flitration
  • evaporation
  • gas chromatography

Question 21

Question
What is the chemical formula of potassium iodide
Answer
  • KI
  • KI2
  • K2I
  • KI3

Question 22

Question
What is the chemical formula of magnesium Oxide
Answer
  • MgO
  • MgO2
  • MgH2
  • MgH3

Question 23

Question
What is the chemical formula of Potassium nitride
Answer
  • K2N2
  • KN3
  • K3N
  • KN
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