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WorksheetsMatter and chemical formulae
Total questions: 15
Worksheet time: 5mins
who am I-my atomic theory stated that elements consists of tiny particles called atoms.
Albert Einsteine
Ernest Rutherford
John Dalton
James Chadwick
Describe the structure of an atom?(all in small letters).
(a)
complete the following- Hydrochloric acid+magnesium ________+hydrogen gas
nitric acid
ascorbic acid
acetic acid
magnesium chlorine
atoms are also called as-(all in small letters)
(a)
------- are the basic building blocks of matter
molecules
matter
atom
none of the above
Most salts are soluble in water- true or false
true
false
in a lab\ we can __, __, __ and__ but we dont __ anything kept in a laboratory(all in small letters).
(a)
Define chemical formula(all in small letters).
(a)
Define chemical equation-(all in small letters).
(a)
What are subatomic particles in an atom?
neutrons protons
electrons
electrons neutrons and protons
none of the above
What is the acid present in spoilt milk ?
maleic acid
hydrochloric acid
sodium hydroxide
what is alkalis?(all in small letters)
(a)
name the two types of indicators(all in small letters).
(a)
what are the two types of synthetic indicators(all in small letters).
(a)
Tooth pastes contain
acids
bases
dont know
none of te above
