Q3.which metal oxide gives yellow colour to the glass?
Q4.which metal oxide gives brown colour to the glass?
Q5.Broken glass pieces used in tank furnace for the manufacturing of glass is:
Q6. chemical formula of glass:
Q7.which glass is used in making decorative glassware?
Ans:Lead crystal glass
Q8.Glass, which can shatter into jagged shards when broken?
Q9.Tempered glass is a kind of:
Q10.Borosilicate glass is also called: