Glass
Glass: Overview
This topic explains concepts such as, Glass, Properties of Glass, Types of Glass and Uses, Optical Glass, etc.
Important Questions on Glass
The glass which is used for bottles, drinking glasses, and windows is-
Which of the following glass has boron as its constituent?
Which of the following glass is used in making lens?
Which glass is used for making laboratory apparatus?
Why do we use sunglasses while going out in the sun?
Sunglasses protects our eyes from _____ rays of the sun.
To get photochromatic glass silver iodide is added to glass.
By adding ferric oxide we get glass with the colour-
Why are thermometers and electric bulbs made of glass?
Fill in the blank with a suitable word:
Stained glass is made by adding different _____ (metals/ chemicals) to the mixture from which glass is made.
Unscramble the letters to name the following.
It is made by melting sand and other minerals together at very high temperatures.
LGSAS
What will happen if you stand behind glass while playing hide and seek?
Choose the appropriate word from the options.
Which material is man-made? (Cotton/Glass)
