The correct order in the activity to observe law of conservation of mass is
P. Take 100 ml of silver nitrate solution in a chemical flask and 5 ml of sodium chloride in a test tube.
Q. Due to reaction between these two while precipitate will form.
R. Add sodium chloride solution to silver nitrate solutions
S. Weight of two and record the sum of their weights
T. After reaction weigh it again and it will be equal to the previous reading.

Options

A. P,R,S,Q,T
B. P,S,R,Q,T
C. P,S,Q,R,T
D. P,S,R,T,Q

Answer

A