Sound — Science STD 9 — Question

When a crystal of potassium permanganate is placed at the bottom of water in a beaker, the water in the whole beaker turns purple on its own, even without stirring. This is an example of:

The correct electronic configuration of a chloride ion is:

The advanced centre for cytology, Tata Memorial Centrein India is located in:

While running you possess certain kind of energy due to motion .What kind of energy do you possess?

Interfascicular cambium is an example of-

The most abundant compound in cytoplasm is:

Liquids can be poured easily whereas solids cannot be pour because of:

Scoliodon is a:

The value of g on the surface of moon is:

Which of the following frequencies of sound elephants produce?