If the stopper if a bottle has stuck, sometimes it may be
removed by heating the neck, why ?
Answer / guest
On heating the neck, it expands and the stopper is removed.
Is This Answer Correct ? | 1 Yes | 0 No |
Why is the total eclipse of the earth a rare phenomenon ?
What is specific conductivity?
What is oxy-hydrogen flame ?
What is the limitation of cod?
What is weak acid?
Explain the Molecule?
Why cooling is produced when a wet ?khus khus? screen is hung on the doors and windows ?
Why does the electric fan cool more efficiently in May than it cools in September?
Which gas is used in bulbus ?
Acid value defination is numbber milligrams of KOH required to nuetralise the acid present in one gram oil & fats but why not use NaOH for nuetralisation?
When the heat rays from the sun area focused on a piece of black cloth by means of a lens, the cloth catches fire. Why ?
can we Consider the Purity threshold and Purity angle in place of peak purity for the specificity test for method verification