What are the names of the three different rays emitted by
radioactive substances ?
what is the difference between vector and tensor?
Why are some wires covered with insulating materials ?
Explain the Fuel gases ?
Why is the sea water saline ?
Explain the Valency?
if this element X combines with another element Y whose electronic configuration is 2, 8, 7 what will be the formula of the compound thus formed? State how did you arrive at this formula
What is the composition of ferroin?
Explain acid gas?
Which gas is used, in laboratories etc. for burners ?
What is ignition point ?
Why is the color of the indicator drop remains the same at the end point?
Explain the Boyle?s law ?