Advertisements
Advertisements
Question
Fill in the following blank with suitable words :
The state of matter called ........................ makes a fluorescent tube (or neon sign bulb) to glow.
Solution
The state of matter called plasma makes a fluorescent tube (or neon sign bulb) to glow.
APPEARS IN
RELATED QUESTIONS
Give an example of desirable change which can also be undesirable.
Name one property which is shown by ammonium chloride but not by sodium chloride.
What is the name of the process due to which dry ice changes into carbon dioxide gas ?
Why does the temperature remain constant during the melting of ice even though heat is supplied continuously ?
Define the following term Boiling.
What is sublimation ? Name two substances (other than ammonium chloride) which undergo sublimation.
If the temperature of an object is 268 K, it will be equivalent to :
State the property of the following substance.
Naphthalene on heating directly turns into vapour.
What will happen if....? And why?
A bell is made of wood.
State whether the following statement is true or false. If false write the correct statement.
During physical changes, the composition of the original substance is not altered, but the properties of the original substance are altered.
