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Worksheetschemistry grade 6
Total questions: 23
Worksheet time: 11mins
what is the core divided into..........
inner core and outer core
apple and orange
non only core
Acid are stronger than Alkalis
true
fales
what is the pH of battery Acid
pH 2
pH 7
pH 0
what is the pH of vinegar
pH 4
pH 6
pH 14
what is a neutral pH
pH 0
pH 7
pH 14
do not know
Solvent is when .........
Liquid which the solid dissolves into liquid
apple is eaten
when water is mixed with acid
What is called when molecules change from a liquid to a solid?
freezing
melting
sublimation
condensation
What is it called when molecules change from a solid directly into a gas (skipping the liquid phase)?
freezing
melting
sublimation
evaporation
What is it called when molecules change from a liquid to a gas?
freezing
evaporation
condensation
sublimation
A substance that is 3 on the pH scale would be a(n):
acid
base
neutral
solute
According to the pH scale, which item is more acidic than lemons?
battery
vinegar
milk
blood
Chalk is a mineral found in rocks. It contains carbon, oxygen and calcium atoms. Chalk is a ___________________ .
element
compound
Which of the following is NOT one of the three types of rocks?
Igneous
Sedimentary
Metamorphic
Granite
Metamorphic rocks are made from...
Heat and pressure
Sediments
Magma cooling
Which three things break down rocks (weather them)?
Water
Humans
Wind
Ice
