Advertisements
Advertisements
प्रश्न
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Vinegar
Advertisements
उत्तर
Acetic acid (Vinegar) — CH3COOH
APPEARS IN
संबंधित प्रश्न
Give two examples of Metalloids.
Indicate whether the following statement is true or false:
Noble gases are high reactive
Complete the statement with the correct words.
Acid’s are chemicals which are _____ in taste and derived from plants and ________.
Complete the statement given below by filling in the blank with the correct word.
The basic unit of an element is an __________.
Select the correct answer from the choice given below.
The unreactive non-metallic element
Write the names of elements from the following symbol:
Zn
‘An atom is the basic unit of an element’. Draw a diagram of an atom – divisible as seen today.
With reference to elements – define the term ‘molecule’. Give two examples each of a monoatomic, diatomic & polyatomic molecule.
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
Assertion: Air is a mixture of elements only.
Reason: Only nitrogen, oxygen and neon gases exist in air.
