Quiz
Science Review for Mixtures and Solutions
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Perguntas do quiz (20)
1Select all of the metals in this list.
- Ahydrogen
- Bmercury
- Ciron
- Dgold
2Which of these is an alloy?
- Airon
- Bhydrogen
- Ccarbon dioxide
- Dsteel
3Most elements are metals.
- AVerdadeiro
- BFalso
4The Periodic Table of Elements is organized by [blank_start]chemical properties and atomic numbers.[blank_end]
- Achemical properties and atomic numbers.
- Bphysical and chemical properties.
- Cnumber of protons and neutrons.
5[blank_start]Mixtures[blank_end] are two or more substances together.
- AMixtures
- BSolutions
- CCompounds
6Select all of the compounds listed below.
- ACarbon Dioxide
- BWater
- CSugar
- DSalt
- EO2
- FH2
7Which of these is a molecule of a compound?
- AO2
- BCO2
8How many atoms are in this chemical formula: 2NaHCO3?
- A7
- B12
- C9
9Solutions are mixtures.
- AVerdadeiro
- BFalso
10Sugar is an element.
- AVerdadeiro
- BFalso
11Which of these statements is true for all metals?
- AAll metals conduct heat and are lustrous.
- BAll metals conduct electricity and heat.
12Mark all choices that state characteristics of metals. (Does not have to be true for all metals).
- Aare lustrous
- Bcan be bent without breaking
- Ccan be hammered without breaking
- Dcan not be mixed
13When you add [blank_start]oxygen[blank_end] to iron, you get a chemical reaction which gives the product, rust.
- Aoxygen
- Bhydrogen
14Another name for rust is iron oxide.
- AVerdadeiro
- BFalso
15Mark all that would be evidence of a chemical reaction.
- Adissolving
- Bfoaming, bubbling, fizzing
- Cclear solution
- Dtemperature change
- Eprecipitate forms
16Mark all that would be evidence of a saturated solution.
- Aprecipitate forms
- Bsolute on the bottom
- Ctemperature change
17Which of these would supersaturate a solution?
- Acooling it
- Bheating it
18To separate a salt solution, you must use [blank_start]evaporation[blank_end].
- Aevaporation
- Ba filter
19The smallest amount of sugar you can have is a/an
- Aatom
- Bmolecule
20The most abundant element and the most abundant compound in the human body are
- Ahydrogen and carbon dioxide.
- Boxygen and water.
Informações
- Descrição
- This quiz is to help students review for the unit test.
- Autor
- Karen Moulton
- Idioma
- English
- Visualizações
- 212
- Etiquetas
- Avaliação
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