After watching the video, answer the following questions for each demonstration.

Videos:https://youtu.be/1exw_xrcrcg

Videos: https://youtu.be/YPanRXHVrnA

Questions:
Experiment 1:
(a)What type of chemical reaction is demonstrated in this lab?
(b)Write the balanced chemical reaction.
(c)What precaution should we take while burning magnesium?
(d)How do we know that the reaction is complete?
Experiment 2:
(a)What type of chemical reaction is demonstrated in this lab?
(b)Write the balanced chemical reaction.
(c)What gas is produced?

(d ) How is this gas confirmed? (Write the balanced chemical reaction)
(e)What is the solid remaining in the tube? Write down the name and chemical
formula.(Hint:He does not use the correct naming rule which we learnt in class)
Experiment 3:
(a) What type of chemical reaction is demonstrated in this lab?
(b) Write the balanced chemical reaction.
(c) What gas is produced?
(d ) How is this gas confirmed?

Experiment 4 (He says it’s experiment 5 by mistake in the video):
(a) What type of chemical reaction is demonstrated in this lab?
(b) Write the balanced chemical reaction.
(c) What is the solid formed? Write down the name and chemical formula.
Experiment 5 (He says it’s experiment 6 by mistake in the video):
(a) What type of chemical reaction is demonstrated in this lab?
(b) Write the balanced chemical reaction.
(c ) What is the name and chemical formula of the acid?
(d) What is the name and chemical formula of the base?
(e) What is the color change when base is added to the acid solution?
(f) What is the color change when acid is added to the basic solution?