Year 9 Science Homework 26th January
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Last updated almost 4 years ago
15 questions
1
What colour is a strong acid in universal indicator?
What colour is a strong acid in universal indicator?
1
What colour is a neutral substance in universal indicator?
What colour is a neutral substance in universal indicator?
1
pH 5 is a...
pH 5 is a...
1
pH 13 is a...
pH 13 is a...
1
pH 0 is a...
pH 0 is a...
1
What type of ions does an acid contain?
What type of ions does an acid contain?
1
What type of ions does an alkali contain?
What type of ions does an alkali contain?
1
Sulphuric acid + Copper oxide -->
Sulphuric acid + Copper oxide -->
1
Nitric acid +Calcium oxide -->
Nitric acid +Calcium oxide -->
1
In chromatography the mobile phase is the...
In chromatography the mobile phase is the...
1
In chromatography the stationary phase is the...
In chromatography the stationary phase is the...
1
Ionic bonding occurs between...
Ionic bonding occurs between...
1
covalent bonding occurs between...
covalent bonding occurs between...
1
Draw a dot and cross diagram to show the covalent bonding between a hydrogen atom and a chlorine atom.
Draw a dot and cross diagram to show the covalent bonding between a hydrogen atom and a chlorine atom.
1
Draw a dot and cross diagram to show ionic bonding betwen sodium and chlorine.
Draw a dot and cross diagram to show ionic bonding betwen sodium and chlorine.