Student Observation-I Observation-II
A. Solution becomes colourless Copper oxide dissolves
B. Solution becomes blue-green in colour Copper oxide dissolves
C. Solution becomes blue green in colour Copper oxide is formed as a precipitate
D. Solution becomes colourless Copper chloride solution is colourless
Answer:C
Student Observation-I Observation-II
A. Solution becomes colourless Copper oxide dissolves B. Solution becomes blue-green in colour Copper oxide dissolves C. Solution becomes blue green in colour Copper oxide is formed as a precipitate D. Solution becomes colourless Copper chloride solution is colourless