Question
Vegetables cook faster when a pinch of salt is added
while boiling. This demonstrates the concept of __________.Solution
Adding salt to water increases its boiling point, a phenomenon known as boiling point elevation. Sodium chloride dissociates into ions, altering the intermolecular forces and making it harder for water molecules to vaporize.
Which of the following is an example of heterogeneous catalysis?
Who founded binomial nomenclature?
The first genetic material on Earth was most likely:
The Bt toxin in Bt crops kills insects by:
Which one is the correct example of hermaphrodites ?Â
Which statement about the Human Genome Project is incorrect?
Achras sapota is the scientific name of:
Which one of the following lymphoid organ is large at birth but reduces with age ?Â
Which of the following is not a step of Polymerase Chain Reaction ?
What is an excretory organ of the cockroach?