What is the felling when you see crackers go off in the night sky ?________________

Crackers go off with .......... .________________

The sience of fireworks is called .......... .________________

Which of the following is a special pyrotechnic device ?________________

Which is the basic meterial used in firework ?________________

Which book, written two thousand years ago, has reference to guns ?________________

The ........ are said to have developed black powder more then one thousand years ago._____

Roger Bacon, was ........... .________________

Roger Bacon wrote the formula for black powder in ....... .________________

What ia the gun powder the mixture of ?________________

With the development of modern chemistry, ........... has become common in fireworks.______

............ light is produced when a substance is heated so much that it begins to glow.____

When heat is appiled to gun powder, it burns using ......... .________________

Firework were imported to our country from .......... .________________

The ......... producers of sivakasti started manufacturing fireworks in india.________________

The art of firework is taught only to ......... .________________

In divali, the sky is lit with ........ colours of crackers.________________

When Minal won the medal, she started dancing in ......... .________________

An LED bulb ....... more light then other bulbs.________________

Is the supplementary Reader also ......... in the syllabus this year ?________________

The computer is an electronic ........... .________________

Please collect all the ......... that you require for the project.________________

Do you know who ......... the bulb ?________________

There are many .......... books in the library.________________

Our company is a .......... in the field of Biotechnology.________________

Mohan will not .......... any secrets of his team.________________

Ider recorded the highest .......... this summer.________________

When we shifted to Jamnagar, we did not like there ......... .________________

Our factory has all the ......... measures for the workers.________________

The hostle does not have good .......... ________________