By selling a chair for ₹2858.77, a person gains 27%.

Which acid is present in an ant sting?

In Young’s double-slit experiment, dark fringes on the screen occur where:

The most common isotope of hydrogen is:

Which of the following is a primary pollutant?

Who proposed the theory of relativity?

Which of the following solutions will not change the colour of blue litmus paper to red?

 1. Acid solution

2. Base solution

A wire is bent into a circular loop. If current is passed through it, which one of the following statements is valid?

In blood, platelets are required for

Which of the following is the first organic compound that was synthesised in the laboratory?

What defines an ion?