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WorksheetsQuiz 1 2020
Total questions: 15
Worksheet time: 26mins
Which of the following subatomic particles has a negative charge? (check all that apply)
Protons
Neutrons
Electrons
Atoms of the same element that have a different number of neutrons are called
ions
isotope
isomer
radioactive
Atoms that gain or lose electrons become
ions
isotopes
isopmers
radioactive
Which of the following is a strong acid?
oxalic acid
nitric acid
carbonic acid
acetic acid
Stronger acids have a pH closer to...
7
0
14
9
Vinegar, fruit juice, and cola are examples of:
strong acids
strong bases
strong bases
weak acids
HCl is found in household products, including some toilet bowl cleaners. Is HCl an acid or a base?
Acid
Base
Neither (Neutral)
Chemical formula of copper sulphate
CuSO4
Cu2SO4
CuSO3
none of these
NaHCO3 represents
Sodium bicarbonate
Sodium carbonate
Sodium Chloride
Calcium Carbonate
H2SO4 represents
Sulphuric Acid
Hydrochloric Acid
Nitric acid
Sulphurus Acid
The valency of hydroxide (OH) radical is
1
2
3
4
What is the correct formula for Ammonium phosphate?
NH4PO4
NH43PO4
(NH4)3PO4
NH4(PO4)3
