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WorksheetsShort quiz in Science 7
Total questions: 10
Worksheet time: 5mins
Sodium Hydroxide is an example of:
BASE
ACID
SALT
Below are the properties of metals EXCEPT:
maleable and ductile
high densities
shiny
do not exhibit luster
BASE is also called ________ substance.
Alkalees
Alkali
Alkaline
A properties of metals that can be drawn into a wire.
malleable
ducility
electrical conductivity
Nitrogen, helium, oxygen and flourine is an examples of a ....
Metal
Non metal
Metalloids
This is the basic unit of a matter
Atom
Cell
Molecules
NaCl or table salt is composed of Sodium and Chlorine. What do we called a substance that composed of two or more elements?
Molecules
Compound
Atoms
This is the result of the neutralization of acid and base.
Compound
Alkali
Alikalines
Salt
Acid is came from the word ______ which means "sour"
Acidic
Acidus
Acides
Acedus
This is a kind of elements that has properties of both metals and non metals.
Compound
Molecules
Mettaloids
