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प्रश्न
Write an answer to the following question in your own words.
Which elements (metals and non-metals), compounds and mixtures do we use in our day-to-day life?
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उत्तर
Examples of mixtures we use in our daily life are- lemon and water, sugar and milk, salt and water, cereal and milk, cement, air, etc.
Examples of compounds we use in our daily life are- salt \[\ce{(NaCl)}\], sugar \[\ce{(C12H22O11)}\], baking powder \[\ce{(NaHCO3)}\], vinegar \[\ce{(CH3COOH)}\], ethanol, etc.
Examples of elements we use in our daily life are- aluminum, copper, iron, silver, gold, etc.
संबंधित प्रश्न
Give reason: Argon is filled in electric bulbs.
Find the atomicity of the Following molecule:
Aluminium Suiphide
Indicate whether the following statement is true or false:
Noble gases are high reactive
Complete the statement with the correct words.
__________ are chemicals formed on reaction of a base with an _____ giving salt and water.
Complete the statement given below by filling in the blank with the correct word.
From the elements nitrogen, chlorine, bromine, the element present in the atmosphere is ________.
Select the correct answer from the choice given below.
The unreactive non-metallic element
Write the names of elements from the following symbol:
Fe
State four differences between – elements, compounds and mixtures with suitable examples.
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.
Select the correct answer from A, B, C, D & E for the statement given below :
A metalloid.
