ICSE Class 10 Chemistry Sample Paper (1). Sample papers and question papers for ICSE and ISC students. These question papers have been collected by the best teachers from ICSE and ISC schools. Students should download and practice these papers to gain better marks in examinations.
Section A
Q.1 Name the salt from the following:
KNO3; NH4NO3; Pb (NO3)2; Zu (NO3)2; Cu (NO3)2.
(a) Which leaves no residue on heating?
(b) Which leaves a gelatinous precipitate?
(c) Which decrepitates on heating?
(d) Which salt leaves potassium cation and nitrate anion on heating?
(e) Which leaves a black residue on heating?
Q. 2
(a) How do you test for metallic nitrate with acidified copper?
(b) Distinguish between dilute and concentrated H2SO4?
(c) How do you test for hydrocarbon using ammonical cuprous chloride?
(d) Name the organic compound which forms carbon tetra chloride on reaction with Chlorine?
Q. 3 Fill in the blanks:
(a) An example of a salt which is not a hydrated salt is ____________ [Blue vitriol, Washing soda].
(b) An example of a deliquescent salt is _______________ [Epsom salt, hydrated copper sulphate, Globers salt, copper nitrate].
(c) A salt which on hydrolysis produces a neutral solution is ______________ [Sodium chloride, Ammonium chloride. Sodium carbonate].
(d) The more volatile acid obtained when the less volatile acid reacts with Sodium bicarbonate is _____________ [Sulphuric acid, Carbonic acid, Nitric acid].
Q. 4
(a) Calculate the percentage of Aluminum in cryolite.Na=23; Al=27; F=19?
(b) Determine the empirical formula of the compound whose composition by Mass is 42% Nitrogen, 48% Oxygen and 9% Hydrogen? Given H=1; N=14; O=16.
Please click below link ICSE Class 10 Chemistry Sample Paper (1).