You you will find the Important Chemistry quiz. It will help you to crack NDA, CAT, GATE, Railways, UPSC, Bank PO Etc.
The chemicals that produce positively charged hydrogen ions (H+) or a proton in solutions are
An ________ is a kind of chemical compound which can neutralize acids.
The smallest unit of matter that can take part in a chemical reaction, and which cannot be broken down chemically into anything simpler is
______ is a chemical element, a grey metal which has very high melting point
________ is a group of specific proteins produced by mammals to defend themselves from foreign organisms or chemicals
______ is a chemical that can prevent blood from clothing for example heparin
The treatment of diseases by the administration of chemicals is
Any agent that increases the change of a cell becoming cancerous, including various chemicals, some viruses, X-rays and forms of nuclea radiation is
A chemical which is used to kill or control living organism is
Phylloquenone is the chemical name of-
Chemical name of Plaster of Paris is-
The treatment of diseases by the administration of chemicals is...
In food technology, any natural or artificial chemical added to prolong the shelf life of processed foods (salt or nitrates), alter the colour or flavour of food, or improve its food value (vitamins or minerals) is called..
A chemical sprayed on plants that causes leaves to fall off prematurely is called..
A biological catalyst produced in cells and capable of speeding up the chemical reactions necessary for life by converting one molecule (substrate) into another is
Any agent that increases the chance of a cell becoming cancerous, including various chemicals, some viruses, X-rays and forms of nuclear radiation is
__________ are complex protein molecules produced by all plants and animals. These are catalysts which initiate, accelerate or, as negative catalysts, retard biochemical reactions without them- selves changing.
_________ is an organ which secretes specific chemical compounds such as enzymes or hormones.
A chemical messenger produced by endocrine glands in animals and secreted directly into the bloodstream is
What is the chemical basis of heredity ?
The undesirable change in physical, chemical or biological characteristics of our soil, air or water is called:
A chemical that is used to kill a pest organism is known as:
A biochemical process in which food is oxidised to release energy is called: