Which of the following changes is Chemical? A) Melting of ice B) Baking of cake C) Breaking of glass D) both (a) and (b)
B
Have fixed shape and volume
solid
fizz in cold drinks
carbon dioxide
Gas insoluble in water.
Hydrogen
Pepper is an example of a substance that is __________________ in water. A.soluble B.insoluble C.dissolves D.None of the above
B
Which of the following can be compressed easily? A) A block of wood B) A glass of milk C) Balloon filled with air D) All of these
c
How will you get back a melted ice cream?
freeze it in fridge
Annie put some oil into water and she made her observations.what would be her observation based on this ? A. Oil will be dissolves in water B.oil will not be dissolves in water C.oil and water is an immiscible liquids D.both B and C
D
The diagram given below depicts which of the processes of the change of state of matter?
condensation
amount of space occupied by an matter
volume
Smallest unit of matter that have all properties of matter.
molecules
liquid to gas
vapourisation
Elise wants to classify matter based on a physical property. She uses a triple beam balance. What property is she measuring? A.volume B.color C.density D. mass
mass