Advertisements
Advertisements
प्रश्न
The skin has and needs natural oils. Why is it advisable to wear gloves while working with strong allkalis?
उत्तर
We know that alkalis react with oil to form soap. Our skin contains oil, so when we touch strong alkalis, a reaction takes place, and a soapy solution is formed. Hence, we should wear gloves when working with strong alkalis.
APPEARS IN
संबंधित प्रश्न
Identify the odd one out and justify.
Write the chemical equation for the following activity.
Carbon dioxide gas was passed through the KOH solution.
Define ionisation.
Correct the wrong statement given below:
Nitric Acid is a constituent of baking powder.
Correct the wrong statement given below:
Ca(OH)2 is a triacidic base.
Give two examples of strong alkalis.
Give two examples of weak alkalis.
Choose the most appropriate answer from
(SO2, SiO2, Al2O3, CO, MgO, Na2O)
An amphoteric oxide.
Solution A is strong acid B weak acid C strong alkali.
Which solution gives gelatinous white ppt with zinc sulphate, ppt disappears in excess?
Fill in the blank from the choices given:
The basicity of acetic acid is ______.
