A substance which changes readily into vapor without heating
is called
1 Efflorescent
2 Synthetic
3 Volatile
4 Effervescent
What is voltage? ?? What type of of show voltage. ?? Practillay how's voltage?
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
Which of the following is the most stable element? 1 Uranium 2 Hydrogen 3 Oxygen 4 Lead
Which are the two reactors at the indira gandhi centre for atomic research ( igcar )?
What is the Biology ?
precautions to be observed while using electrical equipment
Bell metal is an alloy of 1 Brass an nickel 2 Zinc and copper 3 Tin and copper 4 None of these
Reaction of alcohol, with a carboxylic acid is known as 1 Substitution Reaction 2 Addition reaction 3 Esterification 4 Hydrogenation
Which of the following colors in he visible spectrum has maximum range? 1 Violet 2 Indigo 3 Orange 4 Red
first aid to person affected with electrical shock
What would happen had there been no chlorophyll in the green leaves?
In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium