Advertisements
Advertisements
प्रश्न
Fill in the following blanks with suitable words :
Brass is an alloy which is considered a ..............
Advertisements
उत्तर
Brass is an alloy, which is considered as mixture.
APPEARS IN
संबंधित प्रश्न
Name the scientist who studied the movement of pollen grains suspended in water through a microscope. What is this phenomenon known as?
Describe in your own words, what happens to the particles when salt dissolves in water.
An inflated balloon full of air goes down slowly (becomes smaller and smaller slowly) even though the knot at the mouth of the balloon is airtight. And after a week all the air has escaped from the balloon. Explain how the air particles got out of the balloon.
Name a liquid which can be classified as a pure substance and conducts electricity.
What name is given to those elements which are neither good conductors of electricity like copper nor insulators like sulphur ?
Classify the following as elements or compounds :
Iron, Iron sulphide, Sulphur, Chalk, Washing soda, Sodium, Carbon, Urea
State one property in which a solution of sugar in water resembles a mixture of sugar and sand, and one property in which it differs from it.
You are given two liquids, one a solution and the other a compound. How will you distinguish the solution from the compound ?
One of the following substances is neither a good conductor of electricity nor an insulator. This substance is :
On the basis of composition of matter, milk is considered to be :
What is the most common way of expressing the concentration of a solution ?
9.72 g of potassium chloride dissolves in 30 g of water at 70°C. Calculate the solubility of potassium chloride at that temperature.
Name the process which is used in milk dairies to separate cream from milk.
Draw a labelled diagram of the fractional distillation apparatus used for separating a mixture of alcohol and water.
Select the correct answer from A, B, C, D & E for the statement given below:
An atom or group of atoms _________ having a resultant charge.
Stars including Sun are covered in ______.
Rusting of an article made up of iron is called
Non-metals are usually poor conductors of heat and electricity. They are non-lustrous, non-sonorous, non-malleable and are coloured.
Name a non-metal which exists as a liquid at room temperature.
The most reactive metal is ______.
Solids possess very high kinetic energy.
