P-1 Refraction of light — Science STD 10 — Question

Ethanol gets oxidized by alkaline Potassium permanganate to form ______________ .

………… and ………… bacteria are used to clear the oil spills.

__________is a tin ore.

If oocyte is not fertilized within 24 hours, corpus luteum becomes inactive and transforms into _________.

The zygote divides by mitosis and_________ is formed.

When substance converted from liquid to solid state the heat energy is ______________

Fill in the following blanks with suitable words:
The science that deals with the inter-relationships of living things with one another and their environment is called _____________

Fill in the following blanks with suitable words:
The process of depositing a thin layer of zinc on iron articles is called ________.

Fill in the blanks in the following statements:
In going across a period (right to left) in periodic table, the atomic size of the atom _________.

1 calorie = ______________ joule.