Chemical reactivity, Science

Assignment Help:

Chemical reactivity : The substances which react violently or produce flame on contact with water can be given suitable chemical treatment to convert them into nonreactive form before running into the drainage.

Example: Sodium metal.

Those substances which generate heat on mixing with water are treated carefully with large quantity of water in a safe area.

Example: Calcium oxide.

Acidic chemical wastes are first treated with large quantity of sodium carbonate anddhen with a large quantity of water. The treatment with sodium carbonate neutralises the acid since the former is a base.

 


Related Discussions:- Chemical reactivity

Minerals, Minerals: Our bones and teeth contain large amounts of calc...

Minerals: Our bones and teeth contain large amounts of calcium. An adult has a total of about 1 kg of calcium and a baby has about 30g in their bones. So, during the period o

Define the sensory speech area of the cerebrum, Define the sensory speech a...

Define the sensory speech area of the Cerebrum The sensory speech area is situated in the lower part of the parietal lobe and extends into temporal lobe as indicated in the Fig

What are the climatic factors of fertilizer requirements, What are the Clim...

What are the Climatic factors of fertilizer requirements  These include temperature, rainfall and its distribution, evaporation, length of day and growing season.  A cool clima

Fission, Fission, and fusion energy: 'The Italian navigator has arrived...

Fission, and fusion energy: 'The Italian navigator has arrived in  the new world'  This coded message announced the beginning of the atoyic age on 2nd December? 1942. The 'n

A self-starting siphon, A self-starting siphon Secure a piece of glass ...

A self-starting siphon Secure a piece of glass or plastic tube about 2.5 cm in diameter and 8 to 10 cm in length. Fit single end with a one-hole stopper, carrying a short lengt

Explain role of the mucous in body systems and organs, Explain Role of the ...

Explain Role of the Mucous in Body Systems and Organs - The gastrointestinal tract: The microbes which enter through the mouth are caught in the mucous and eliminated with sput

A model illustrating how an eclipse appears, A model illustrating how an ec...

A model illustrating how an eclipse appears The sun is shown by an opal electric bulb shining by a circular hole 5 cm in diameter in a piece of blackened cardboard. The corona

Explain the parathyroid glands, Explain the Parathyroid Glands The para...

Explain the Parathyroid Glands The parathyroid and thyroid glands are neighbours in the neck. You would realize that parathyroid glands are the small glands that lie behind the

Introduction electricity and water in a laboratory, INTRODUCTION : Gas, El...

INTRODUCTION : Gas, Electricity and water are integral parts of any science laboratory. You would have realised from personal experience (if any) and in the course of your study o

Write Your Message!

Captcha
Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd