Test
Chemistry C1
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Preguntas del test (25)
1The number of protons equals
- AThe number of electrons
- BThe number of neutrons
2Limestone is mainly
- ASodium carbonate
- BCalcium carbonate
- CMagnesium carbonate
3Metals are:
Choose 3- AGood conductors of electricity
- BColourful when molten
- CStrong
- DGood conductors of heat
4Alloys are softer than pure metals
- AVerdadero
- BFalso
5Crude oil is mainly made up of hydrocarbon molecules
- AVerdadero
- BFalso
6Sulphur dioxide causes acid rain
- AVerdadero
- BFalso
7Cracking means splitting up long- chain hydrocarbons
- AVerdadero
- BFalso
8Polymers are:
Choose 3- ACheap
- BExpensive
- CMost aren't biodegradable
- DBiodegradable
- EMost don't rot
9Choose every right answer about vegetable oils (3)
- AHave benefits for cooking
- BUsed in detergents
- CUsed to produce fuels
- DUsed in food
10Unsaturated oils contain double bonds
- AVerdadero
- BFalso
11Hydrophilic ends of an emulsifier latch onto oil molecules
- AVerdadero
- BFalso
12Why wasn't Wegner's theory of continental drift accepted for many years? Choose 2
- AHe had got his facts mixed up
- BHe had used inaccurate data in his calculations
- CMany believed it to be impossible
- Dhe was ahead of his time
13The centre of the Earth is mainly made of iron and nickel
- AVerdadero
- BFalso
14The early atmosphere was mainly
- Amethane
- Boxygen
- Ccarbon dioxide
- Dnitrogen
15Ethanol can be produced from plant materials
- AVerdadero
- BFalso
16Biodiesel can be produced from vegetable oils
- AVerdadero
- BFalso
17The mass number is the total number of protons and electrons
- AVerdadero
- BFalso
18The atomic number tells you the number of protons or electrons
- AVerdadero
- BFalso
19Emulsifiers stop emulsions from seperating out and this gives them a longer shelf life. They allow food companies to produce food lower in fat
- AVerdadero
- BFalso
20No one is known to be allergic to emulsifiers so they can be very useful
- AVerdadero
- BFalso
21Convection currents in the mantle cause plates to drift
- AVerdadero
- BFalso
22The oceans formed when the water vapour condensed
- AVerdadero
- BFalso
23the oceans are a natural store of carbon dioxide, however the amount of CO2 we're releasing is making them too acidic
- AVerdadero
- BFalso
24Polymers are:
Choose 2- AVery durable
- BNow mostly having waterproof coating
- CVery strong
- DLight,stretchable
25Saturated fats are healthier than unsaturated fats
- AVerdadero
- BFalso
Información
- Descripción
- GCSE (C1) Chemistry Test sobre Chemistry C1, creado por Lily O'Brien el 10/04/2017.
- Autor
- Lily O'Brien
- Idioma
- English
- Visitas
- 22
- Etiquetas
- Valoración
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