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Worksheets13-09-2021 Year 10 Chemistry Quiz 1 C1- Atomic Structure Pt1
Total questions: 30
Worksheet time: 15mins
C1.1- How many atoms does an element contain?
0
1
More than 1
Any number
C1.1- How many types of atom does an element contain?
0
1
More than 1
Any number
C1.1- How can you tell whether a chemical is an element?
It is coloured
It is on the Periodic Table
It is unreactive
It is a well-known chemical
C1.1- Which of these is an element?
Carbon dioxide
Water
Methane
Nitrogen
C1.1- Which of these is not an element?
Hydrogen
Helium
Oxygen
Steam
C1.1- Which of the following images does not represent an element?
C1.1- Which of the following elements is not diatomic? (Diatomic means atoms are chemically bonded into pairs)
Hydrogen
Helium
Oxygen
Chlorine
C1.1- What is the definition of a compound?
A molecule that contains at least 2 atoms
A molecule that contains at least 2 types of atom
A molecule containing only 1 type of atom
A molecule that contains 2 types of atom
C1.1- Which of the following is not a compound?
Carbon
Carbon monoxide
Carbon dioxide
Carbon tetrafluoride
C1.1- Which of the following is a compound?
Air
Water
Salt water
Iron
C1.1- What do you call the centre of an atom?
Proton
Neutron
Nucleus
Electron
C1.1- What orbits around the centre of an atom?
Proton
Neutron
Nucleus
Electron
C1.2- Which of the following is true?
Atoms are created in chemical reactions
Atoms are destroyed in chemical reactions
Atoms are neither created nor destroyed in chemical reactions
Atoms are both created and destroyed in chemical reactions
C1.2- Which of the following reactions is correct and balanced?
C1.2- What is the missing number in the following balanced equation?
1
2
3
4
C1.2- What is the missing number in the following balanced equation?
5
6
7
8
C1.2- What does the symbol (s) mean?
Saturated
Solid
Salt
Solution
C1.2- What does the symbol (aq) mean?
Liquid
Low density
Dissolved in water
Blue
C1.3- Which of the following is easiest to separate?
Element
Compound
Mixture
Molecule
C1.3- Which process would you use to separate sand and water?
Simple Distillation
Filtration
Fractional Distillation
Paper Chromatography
C1.3- Why can you not separate salt and water using filtration?
Because salt particles are too small
Because salt dissolves in water
Because salt isn't sticky enough
Because salt is a liquid
C1.3- What is the following piece of equipment called?
Delivery tube
Condenser
S-shaped tube
Water tube
C1.3- Which of these mixtures is best separated using simple distillation?
Sand and water
Salt and water
Ethanol and water
Iron filings and water
C1.3- Which of these best represents the order of physical processes that occur in distillation?
Evaporation then condensation
Condensation then evaporation
Condensation then freezing
Melting then evaporation
C1.4- What is the difference between simple distillation and fractional distillation?
Simple distillation uses lower temperatures
Fractional distillation uses a fractionating column
Fractional distillation does not use a condenser
Simple distillation uses a receiver
C1.4- Which of these is not a benefit of using fractional distillation over simple distillation?
It separates liquids with similar boiling points
It can separate multiple different chemicals from a mixture
It can separate substances more accurately
It can boil every substance in a mixture
C1.4- Which of the following is not a common feature of paper chromatography?
Stationary phase
Mobile phase
Base line
Delivery tube
C1.4- How many different chemicals are in the second of the samples analysed in this paper chromatography?
1
2
3
4
C1.4- Which of the coloured chemicals was most soluble in the following paper chromatography?
Red
Blue
Green
Yellow
C1.4- How many chemicals in common do the first and third samples analysed in the following paper chromatography have?
0
1
2
3
