📚NCERT Questions — CBSE10
499 solved questions with detailed explanations
The growth of plant shoots towards light is known as:
Exchange of materials between the blood and surrounding cells takes place across the thin walls of which blood vessels?
Acids are generally characterized by their:
How is the concentration of hydroxide ions (OH⁻) affected when excess base is dissolved in a solution of sodium hydroxide?
Which raw material for plant growth is taken up from the soil in the form of inorganic nitrates or nitrites?
What are elements or compounds that occur naturally in the Earth's crust called?
Which acid is present in sour milk (curd)?
Which of the following plant hormones is known to inhibit growth and cause wilting of leaves?
What is the chemical formula for washing soda?
A mixture of oxygen and ethyne is burnt for welding. Why is a mixture of ethyne and air NOT used for welding?