In ancient India, saltpetre was used for fireworks; it is actually?
Subatomic particles like electrons, protons and neutrons exhibit?
Phase change reaction in Daniell cell is an example of?
Which of the following physicists is renowned for their groundbreaking research on natural radioactivity?
Which principle states that the partial vapour pressure of each volatile component in a solution is directly proportional to its mole fraction?
Ziegler-Natta catalyst is used for ________?
Which of the following salts is an active ingredient in antacids?
What is the process called when a substance's spontaneous movement from a high concentration to a low concentration takes place?
Chlorine gas reacts with potassium iodide solution to form potassium chloride and iodine. This reaction is an example of a?
Babu took some quantity of dilute nitric acid in a test tube and heated the test tube at 70°C for about 10 minutes. What was its effect on the pH of nitric acid?
What will be the next homologous series member of compound C6H10?
Which of the following is are NOT true for ionic compounds?
i. Ionic compounds have low melting and boiling points.
ii. Ionic compounds are brittle and break into pieces when pressure is applied.
iii. Ionic compounds are solids and are somewhat hard because of the strong force of attraction between the positive and negative ions.
iv. Ionic compounds conduct electricity in the molten state.
The term (aq) written after the symbol formula of a substance in a chemical equation indicates that it is present in?
During neutralisation reaction H ion comes from _________ and OH ion comes from ________ respectively, to form a water molecule?