ICSE 1997 : SCIENCE Paper 2 (Chemistry) - Question 4(c) Answer the following.

SCIENCE
Paper 2 (Chemistry) - 1997
(One hour and a half)

Question 4
(c) Solid ammonium dichromate (relative molecular mass = 252) decomposes according to the following equation:
(NH₄)₂Cr₂O₇ → N₂ ↑ + Cr₂O₃ + 4H₂O

Formats

Worksheet / Test Paper

Solve Exam Paper

Review

: Fill in the blanks

Your Performance

1.
(i) What volume of nitrogen, at STP, will be evolved when 63g of ammonium dichromate is decomposed?

2.
(ii) If 63 g of ammonium dichromate is heated above 100°C, what will be the loss of mass?
(H = 1; N = 14; O = 16; Cr = 52)

131 more pages in ICSE Board Class X Solved Exam Question Papers

⇐ Skip and Go To Question 4 Answer...

Skip and Go To Question 5(a) Ans... ⇒