Home
Class 8
CHEMISTRY
Which zone of a flame does a goldsmith u...

Which zone of a flame does a goldsmith use for melting gold and silver and why?

Text Solution

Verified by Experts

The correct Answer is:
The outermost part/zone of the flame is used by the goldsmith to melt gold and silver as this is the hottest part of the flame and it undergoes complete combustion.
Doubtnut Promotions Banner Mobile Dark
|

Similar Questions

Explore conceptually related problems

Goldsmiths blow the outermost zone of a flame with a metallic blow-pipe for melting gold and silver . Why do they use the outermost zone of the flame?

Why does a dentist use a concave mirror?

For the determination of 'g' using a simple * pendulum, measurements of l and T are required. Error in 'the measurement of which of these will have larger effect on the value of 'g' thus obtained and why? What is done to minimize this error?

In which of the following does adsorption takes place and why? Silica gel placed in the atmosphere saturated with water.

In which of the following does adsorption takes place and why? Anhydrous CaCl_2 placed in the atmosphere saturated with water.

Which solution is used for the leaching of silver metal in the presence of air in the metallurgy of silver?

If you could use any source of energy for heating your food, which one would you use and why?

You are given kerosene, turpentine and water. In which of these does the light travel fastest? Use the information given in table.

Draw the typical shape of input characteristics likely to be obtained by her. What do we understand by the cut off, active and saturation states of the transistor? In which of these states does the transistor not remain, when being used as a switch?

Why does sulfanilic acid has high melting point?

Home
Profile