General Science Questions

Cartography is the science which deals with the study and practice of making maps.

Short term side effects of alcohol and other drugs include forgetfulness, temporary blindness and disrupted sleep.

Plants developing in dry conditions are called as xerophytes.

The nutrients that provide energy are carbohydrates, proteins and vitamins. The other three nutrients--vitamins, minerals, and water do not provide energy.

Haemoglobin is a protein what carries oxygen in the blood and contains iron metal in it.

A chemical reaction in which involves the absorption of heat from the environment is called a Endothermic reaction. 

Examples : Dissolving ammonium chloride in water, photosynthesis, melting ice cubes, mixing of potassium chloride with water,...

In the contrast, chemical reactions involving release of heat are known as exothermic reactions.

Examples : Combustion, coal is burnt, mix of CaO with water,...

In all the above given options, there is no chemical change or reactions takes place only the shape or physical state is changed.