ICSE Specimen Paper Class 10 Semester 2 – Chemistry 2022
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(i) The IUPAC name of Ethylene is:
(a) Propane
(b) Propyne
(c) Ethene
(d) Ethyne
(ii) Carbon to carbon double bond is found in:
(a) 2-butylene
(b) Acetaldehyde
(c) Acetic acid
(d) Ethyl alcohol
(iii) Fused alumina is reduced to aluminium by electrolytic reduction, since:
(a) Alumina is highly stable
(b) Alumina is least stable
(c) Alumina is not reduced by drying agents.
(d) Alumina is not reduced by reducing agents.
(iv) The catalyst preferred in the conversion of Sulphur dioxide to Sulphur trioxide is:
(a) Finely divided iron
(b) Graphite
(c) Vanadium pentoxide
(d) platinum
(v) Substitution reaction is a characteristic property of:
(a) Alcohols
(b) Alkanes
(c) Alkenes
(d) Alkynes
(vi) The gas evolved when dilute sulphuric acid reacts with iron sulphide:
(a) Sulphur dioxide
(b) Carbon dioxide
(c) Hydrogen sulphide
(d) Nitrogen dioxide
(vii) An acid obtained from concentrated nitric acid on reaction with Sulphur:
(a) Carbonic acid
(b) Sulphuric acid
(c) Nitric acid
(d) Hydrochloric acid
ICSE Semester 2 Specimen - 522 SCI2