Test
All of C1 quiz
Preguntas del test (75)
1What are all substances made up of?
- AAtoms
- BElements
- CMolecules
2What is a substance made from only one type of atom?
- AElement
- BMixture
- CCompound
3The nucleus of an atom is made up of protons and neutrons
- AVerdadero
- BFalso
4Electrons don't orbit the nucleus
- AVerdadero
- BFalso
5What are the sub-atomic particles that make up atoms? [3]
- ANeutrons
- BElectrons
- CProtons
- DMolecules
- ENucleus
- FParticles
6Which is a description of Electrons?
- AVery very small and have hardly any mass
- BVery big and make up most of our atoms mass
7Which one of these is correct?
- AProton relative mass is 1 and its relative charge is +1
Neutron relative mass is 1 and its relative charge is 0
Electron relative mass is 1/2000 and its relative charge is -1 - BProton relative mass is 0 and its relative charge is +2
Neutron relative mass is 1 and its relative charge is -1
Electron relative mass is 1/20 and its relative charge is 0
- AProton relative mass is 1 and its relative charge is +1
8Atoms must have the same number of protons and electrons because they are neutral
- AVerdadero
- BFalso
9If a neutral atom has 7 protons how many electrons must it have?
- A7
- B9
- C1
- D17
10All atoms of a particular element are different
- AVerdadero
- BFalso
11What is the mass number?
- AThe number of protons and neutrons
- BThe number of electrons
- CThe number of protons and electrons
- DThe number of protons, electrons and neutrons
12The atomic number is the number of neutrons in an atom
- AVerdadero
- BFalso
13What is the correct electron shell structure?
- A2, 8, 8, 8
- B1, 2, 3, 4
- C2, 4, 6 , 8
- D8, 8, 8, 2
14What do chemical reactions show?
- AReactants
- BProducts of a reaction
- CProtons Neutrons and Electrons
- DThe reactivity series
15What do state symbols tell us?
- AState of reactants or products
- BSolids
- CLiquids
- DGases
- EAqueous
16In a chemical reaction no atoms are created or destroyed they are just rearranged.
- AVerdadero
- BFalso
17What do ionic bonds occur between
- AMetals
- BNon - Metals
- CCompounds
- DNone of the Above
18In ionic bonds metal atoms gain electrons and non - metal atoms lose electrons.
- AVerdadero
- BFalso
19What is limestone?
- AA type of sedimentary rock composed mainly of calcium carbonate
- BA fossil
- CA stone made from limes
- DA lime in the shape of a stone
20How long does it take to form limestone
- AOver millions of years
- B100 years
- C10 months
- Dbillions of years
21Limestone is dug out of the ground and quarried, then made into blocks which can be used in building
- AVerdadero
- BFalso
22Which is the test for Co2?
- AHeating CaCo3 and seeing if it turns limewater cloudy
- BBlowing bubbles into limewater
- CAdding calcium carbonate and limewater together to see if a reaction occurs
23Limestone can be heated strongly to make it undergo a DECOMPOSITION REACTION. This means that a THERMAL DECOMPOSITION is used to break it down to form carbon dioxide and calcium oxide.
- AVerdadero
- BFalso
24Limestone is used to test for carbon dioxide
- AVerdadero
- BFalso
25What is this a picture of?
- AThe limestone cycle
- BThe reaction of calcium hydroxide
- Ca displacement reaction
26What is heated together to make cement? [2]
- AClay
- BLimestone
- CWater
- DLimewater
- ECement
27What do we mix together to make concrete? [4]
- ASand
- BWater
- CAggregate
- DCement
- ELimewater
- FCorn flour
- GStones/ Rocks
28Which is not a property of metals?
- ACorrosive
- BMalleable
- CDuctile
- DGood electrical conductors
- Egood conductors of heat
- Fsonorous
- Gshiny
29Most metals have HIGH melting and boiling points and they are all SOLID at room temperature (EXCEPT MERCURY)
- AVerdadero
- BFalso
30What is the rule that goes with displacement reactions?
- AIf the metal added is more reactive than the metal in the solution then a displacement reaction will occur.
- BIf the non-metal added is more reactive than the metal in the solution then a displacement reaction will occur.
- CIf the metal added is more reactive than the non-metal in the solution then a displacement reaction will occur.
31Metal powders and oxides can't be heated together to give a displacement reaction
- AVerdadero
- BFalso
32Which is the method to extract copper from its ore?
- APut copper carbonate and carbon in a test tube with cotton wool in the top and heat it.
- BPut copper oxide and carbon dioxide in a test tube and heat it.
33What is the method for extracting copper called?
- AReduction
- BOxidisation
- CDecomposition
34What decides how metals are extracted from there ores?
- AThe reactivity series
- BIts atomic number
- CWhere it is found
- DHow much of it there is
35Tick the true statements [4]
- AMetals above carbon in the reactivity series have to be extracted by electrolysis
- BMetals low in the reactivity series can be found native and just have to be purified
- CMetals near the bottom (e.g. copper) can be extracted through smelting
- DMetals in the middle of the reactivity series (below carbon) are extracted by chemical reduction
- EMetals in the middle of the reactivity series (below carbon) cant be extracted
- FMetals at the top of the reactivity series are highly dangerous and poisonous
36What is bioleaching?
- AWhen bacteria feed on low-grade metal ores
- BWhen bacteria leach onto things
- CClingy bacteria
37What are alloys ?
- APure metals mixed with other elements to make them stronger
- Bnon-metals
- Celements
38Why is crude oil not useful
- ABecause it is a mixture of many different compounds
- BToo runny
- CTastes bad
39Most of the compounds in crude oil are hydrocarbons
- AVerdadero
- BFalso
40We make crude oil useful by doing fractional distillation
- AVerdadero
- BFalso
41What are substances that are produced by hydrocarbons reacting with oxygen?
- ACarbon dioxide
- BWater
- CCarbon monoxide
- DOxygen
42What is carbon dioxide (the main greenhouse gas in the air) causing according to scientists?
- AGlobal warming
- BGlobal dimming
- CFood shortness
43What are particulates made of?
- ACarbon (soot) and unburnt hydrocarbons
- BCalcium
- CCarbon dioxide
44 How do particulates cause global dimming?
- AThey travel into the upper atmosphere, reflecting sunlight back into space.
- BThey engulf all the light
- CThey dont
45What does a catalyst converter do?
- AGreatly reduces the carbon monoxide and nitrogen oxide produced by a car engine.
- BConverts things into a catalyst
- CConverts carbon dioxide into oxygen
46What is crude oil separated into in fractional distillation?
- AGroups of compounds with similar properties
- BElements
- CAtoms
47what does the crude oil enter the fractionating column as ?
- ASolid
- BLiquid
- CGas
48Which of these are true?
- AGases at the top have short chains (1-4 carbons)
- BGases at the bottom have long chains (100+ carbons)
- CGases at the bottom have short chains (less than 10 carbons)
- DGases at the top have long chains (20+ carbons)
49The compounds condense when the temperatures inside the fractionating column matches there boiling point.
- AVerdadero
- BFalso
50What are Alkanes and Alkenes?
- AHydrocarbons
- BGases
- CThey don't exist
51What does the first part of the name show?
- AThe number of carbon atoms in the molecule
- BThe number of hydrogen atoms in the molecule
- CWhether it is and alkane or and alkene
52Alkanes have a single bon and are saturated
- AVerdadero
- BFalso
53Alkenes have a double bond and are unsaturated
- AVerdadero
- BFalso
54Which is the formula for Alkanes?
- AC2H2n+2
- BC2H2n
- CC3H4n
55Which is the formula for Alkenes?
- AC2H2n
- BC2H2n+2
- CC4H3n+1
56Thick = Viscous
- AVerdadero
- BFalso
57What are polymers?
- ACompounds made when lots of alkene molecules join together
- BMixtures of alkenes and alkanes
- CThe same as monomers
58What is it called when a long chain hydrocarbon is 'cracked' into smaller pieces?
- AThermal decomposition
- BOxidisation
- CExothermic reaction
59What is the bromine water test for?
- ATo tell the difference between alkanes and alkenes
- BTo split hydrocarbons
- CTo make a polymer
60What colour do alkenes go with orange bromine water?
- AColourless
- BBrown
- COrange
- DRed
61What colour do alkanes go in bromine water?
- AStay Orange
- BPurple
- CPink
- DGreen
62What do smart polymers such as memory polymers do?
- AChange there shape when they are hot or cold
- BRemember information
- CReact to light
63What can Ethanol be made by?
- AFermentation
- BExothermic reaction
- CDistillation
64Ethanol produced by fermentation is a biofuel.
- AVerdadero
- BFalso
65What do all vegetable oils contain?
- ALong chain carbons and hydrogen's
- BShort chain carbons and hydrogen's
- CLong and short chain carbons
66What state are unsaturated oils at room temperature?
- ALiquid
- BSolid
- CGas
67To harden vegetable oils we react them with H2 and use a nickel catalyst at 60 oC.
- AVerdadero
- BFalso
68What are hardened vegetable oils sometimes called
- AHydrogenated oils
- BExothermically hardened oils
- COxygenised oils
69What are the 2 main ways to extract plant oils?
- APressing
- BSteam distillation
- CHydrogenation
- DOxygenation
70What is an emulsion?
- AA mixture of liquids that do not dissolve in each other
- BA mixture of two substances that are dissolved in each other
- CSomething that stops a substance separating
71What is an emulsifier?
- ASomething that helps keeps emulsions mixed together
- BA mixture of oil and water
- CA mixture of emulsions
72How long has our atmosphere been 'stable'?
- AAbout 200 million years
- BAbout 100 years
- C1 million years
73How much nitrogen is in the air?
- A78%
- B65%
- C21%
- D14%
74How much argon is in the atmosphere?
- A0.9%
- B10%
- C82%
- D0.4%
75How much carbon dioxide is in the atmosphere?
- A0.04%
- B0.9%
- C26%
Información
- Descripción
- Test sobre All of C1 quiz, creado por fletchere11 el 17/02/2015.
- Autor
- fletchere11
- Idioma
- English
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