Question
What percentage of particulate matter emissions is
contributed by heavy commercial trucks in India, despite comprising only 3% of the vehicle fleet?Solution
Heavy commercial trucks, which account for just 3% of India's vehicle fleet, contribute 53% of particulate matter emissions.
Refrigerators keep food unspoiled because
Select the one which is not a mixture:
An atom of an element has atomic number 17 and mass number36Â .The number of neutrons in its nucleus isÂ
Urea is a —
The resources which can be used continuously year after year ate called
- The element with highest first ionisation energy is
Which of the following elements is not present in stainless steel?Â