Question
Which among the following form of coal contains the
highest percentage of carbon content?Solution
Anthracite has the highest carbon content, the fewest impurities, and the highest energy density of all types of coal and is the highest ranking of coals. Anthracite is the most metamorphosed type of coal in which the carbon content is between 92% and 98%.
What does trypsin do?
What is the colour of the outer zone of complete combustion of candle flame?
Which of the following statement is/are true?
I. Metal oxides are acidic in nature
II. Non-metallic oxides are basic in nature
Which of the following isotope of hydrogen is radioactive in nature?
Which of the following is a water soluble vitamin?
Which of the following is correct regarding isobars?
I. They have different atomic numbers
II. The have same mass numbers
What is the nature of the pH of milk?
Chlorophyll-a is present in all photosynthetic organisms except
Water from soil enters into the root hairs owing to :
_____ is used for making chemical apparatus like beakers, flasks, etc.
