Advertisements
Advertisements
प्रश्न
Complete the statement given below by filling in the blank with the correct word.
An element is a pure substance which cannot be broken down by physical or _________ methods.
Advertisements
उत्तर
An element is a pure substance which cannot be broken down by physical or chemical methods.
संबंधित प्रश्न
Classify the following substances into compounds and mixtures:
Differentiate between the following.
Filter Paper and Alum
State the number of atoms of C6H12O6
Give one use of the following substance:
Coal
Indicate whether the following statement is true or false:
Molecules combine to form atoms
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name – two coloured gases (with their colours)
Select the correct answer from the choice given below.
The negatively charged particles in an atom
Select the correct answer to the statement given below:
The chemical name for dinitrogen oxide [N20].
State five different characteristics of compounds.
Give a reason for the following statement :
Brass & bronze are examples of mixtures, while copper sulphate & lead nitrate are examples of compounds.
