Q. What type of precautions will be taken to survive when ozone level is high? Drive less Stay hydrated Avoid using gas powered engines All of the above Answer: All of the above
What type of precautions will be taken to survive when ozone level is high? Read More »
Q. What is the residence time (average time a particle is active in a given system) of carbon monoxide? 11-15 years 0.1-0.3 years 0.5 years Few minutes Answer: 0.1-0.3 years
Identify the correct representation of reaction occurring during chlor-alkali process.
Identify the correct representation of reaction occurring during chlor-alkali process. Read More »
216. During the preparation of hydrogen chloride gas on a humid day, the gas is usually passed through the guard tube containing calcium chloride.The role of calcium chloride taken in the guard tube is to
pH of a solution having hydrogen ion concentration of 1M is
pH of a solution having hydrogen ion concentration of 1M is Read More »
Sodium hydrogen carbonate when added to acetic acid evolves a gas. Which of the following statements are true about the gas evolved?
When a bee stings, immediately a paste of lime is put on the sting. Why?
When a bee stings, immediately a paste of lime is put on the sting. Why? Read More »
How is the concentration of hydronium ions (H O ) affected when a solution of an acid is diluted?
Why does dry HCl gas not change the colour of the dry litmus paper?
Why does dry HCl gas not change the colour of the dry litmus paper? Read More »
