📚NCERT Questions — CBSE10
499 solved questions with detailed explanations
Which of the following describes the movement of sunflowers in response to day or night?
What percentage of carbon is present in the atmosphere as carbon dioxide?
What is the name of the compound CH3COCH3?
A person experiencing difficulty in walking in a straight line and maintaining balance might have an issue with which part of the brain?
Which part of the heart pumps blood to various organs and therefore has thicker muscular walls?
Why is it recommended to add acid slowly to water, and not water to acid, during dilution?
When sodium carbonate reacts with hydrochloric acid, the gas evolved is identified by:
Which of the following is an example of an amalgam?
If ethene (C2H4) is the first member of the alkene homologous series, what would be the formula for the next member?
The formula for gypsum is CaSO₄·2H₂O. If gypsum is heated to 373 K, it loses water molecules to become Plaster of Paris. How many water molecules are lost per formula unit of gypsum?