Advertisements
Advertisements
प्रश्न
Select the correct answer from the choice given below to complete the sentence :
Compounds are ____________ in nature.
विकल्प
homogenous or heterogenous
always homogenous
Advertisements
उत्तर
Compounds are always homogenous in nature.
APPEARS IN
संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Name: a Metal Which is brittle
Define Elements.
Give two examples of the following.
Metals which are soft
Indicate whether the following statement is true or false:
Noble gases are high reactive
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
‘The modern periodic table consists of elements arranged according to their increasing atomic numbers’. With reference to elements with atomic numbers 1 to 20 only in the periodic table – differentiate them into – metallic elements, metalloids, non-metals & noble gases.
Elements are broadly classified into metals and non-metals. State six general differences in the physical properties of metals and non-metals. State two metals and two non-metals which contradict with the general physical properties – giving reasons. State one difference in property between metalloids and noble gases.
Higher Order Thinking Skills.
In the diagram given below, the circle, square and triangle represent the atoms of different elements.
Identify all combinations that represent
- molecule of a compound
- molecule of an element consisting of two atoms
- molecule of an element consisting of three atoms
