Question
What is the colour of the outer zone of complete
combustion of candle flame?Solution
The outermost zone of a candle flame is blue in colour. It is also called non-luminous zone where the complete combustion of wax takes place.
Decibel is the unit used for –
What is the chemical name of the Laughing Gas?
100 gram of ice at 0°C is mixed with 100 gram of water at 80°C. What will be the final temperature of the mixture ?
Magnesium oxide (MgO) + Water (H2O) = ?
A soap bubble and a liquid drop both have same surface tension and radius, then which will have more excess pressure inside it?
Choose the wrong statement
What happens to the boiling point of water at higher altitudes?
Naphthalene balls, commonly used as a pest repellent, are derived from which source?
Consider the following statements. Hypermetropia is a defect of vision in which:
- A person cannot see the distant objects...
Which gas is commonly used to artificially ripen green fruits?