Q1-What is the colour of barium chloride solution?
Q2-What change did you see after the two solutions were mixed in the conical flask?
Q3-What was the mass of the flask and its contents before the two reactants were mixed? Q4-Did the mass of the flask and its contents change after the reaction?
Q5-What conclusions can be drawn from these observations?
Q6-Write a balanced chemical equation when aqueous solution of barium chloride reacts with aqueous solution of sodium sulphate solution
Q7-State two precautions to be taken while attempting an activity depicting law of conservation of mass.
Q8-Why is there no change in mass during chemical reactions?
Q9-Define double displacement reaction.
Q10-State law of constant proportion.
Answers
Answered by
1
Answer:
- white colour is the answer of first question
Answered by
1
Answer:
barium chloride is white colour
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