Test
Science Review for Mixtures and Solutions
Este test tiene tipos de pregunta que se abren en el reproductor de siempre.
Preguntas del test (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.
- AVerdadero
- 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.
- AVerdadero
- BFalso
10Sugar is an element.
- AVerdadero
- 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.
- AVerdadero
- 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.
Información
- Descripción
- This quiz is to help students review for the unit test.
- Autor
- Karen Moulton
- Idioma
- English
- Visitas
- 212
- Etiquetas
- Valoración
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