Read the following statements and identify the elements : The first metalloid in Modern Periodic Table whose fibres are used in making bullet-proof vests.
Fill in the blanks with appropriate words : Nylon fibre is used in making ropes for rock climbing and parachutes because it is a very _____ fibre.
Name the tissue represented by the jute fibres used in making ropes.
Boron rods are used in nuclear reactor as
Boron rods are used in nuclear reactors because
Why boron fibre is used in body armour?
Which of the following statements about fibres are correct? 1. They can be made from viscose rayon 2. They are used for making nose tips of missiles 3. They have low thermal conductivity and used as insulators They are used for making components of bone plates Select the correct answer using the codes given below.
BITSAT GUIDE-P BLOCK ELEMENTS : GROUP 13,14-Archives
