This website uses cookies to ensure you have the best experience. Learn more

Chemistry Queston And Answer Essay

801 words - 4 pages

Q1. What are the elements of the world?
A1. These are the land, the water, the sun, life and the air.

Q2. What is called lithosphere?
A2. The outer crust of the earth is called lithosphere.

Q3. How much percentage of water is present in earth’s
Surface?
A3. Water cover 75% of the earth‘s surface.

Q4. What is called atmosphere?
A4. The air that covers the whole of the earth like a blanket,
Is called atmosphere.

Q5. What is known as biosphere?
A5. The hydrosphere and the lithosphere interact and make
life possible , is know as the biosphere.

Q6. What is the composition air?
A6. It is a mixture of many gases like nitrogen, oxygen,
...view middle of the document...

The clouds are heated by radiation and
re-radiation .The water vapour further heated and moves
up. When the cloud goes up lose energy and comes
down there is another cloud going up. The force
experience electro static force of attraction and there is a
crash of clouds. This is how rain is formed.

Q12. What is known s air pollution?
A12. The contamination of the air by harmful gas such as
(CO2, C, CO, NO2, and SO2) they are called
pollutants.

Q13. List any three human activities hat you think would
lead to air pollution
A13. Industrial smoke, burning of fossil fuels, and
dust/smoke – asthma.

Q14. How does carbon affect the air?
A14. Incomplete combustion take place when e inhale air
with carbon our respiratory system is affected.

Q15. What is fresh water?
A15. Water without any dissolved salts and impurities.

Q16. Where do we find it?
A16. Fresh water is found in icecaps, glaciers, spring,
rainwater and water from underground.

Q17. How is water polluted?
A17. Water dissolves the fertilizers and pesticides that we use
On our farms. So some percentage of these substance
Are washed into the water bodies. Sewage from our town
and cities and the waste from factories are also dumped
into rivers or lakes.

Q18. What are the factors or process that makes soil?
A18. The sun, water, wind, climate changes, human activities.

Q19. What are the mixture that contain inside the soil?
A19. ...

Other Papers Like Chemistry Queston and Answer

What Made Non-Violence Work? Essay

1638 words - 7 pages escapes through a tiny opening into a vacuum. false 12. Graham’s law of effusion states that the rate of effusion for a gas is The atmospheric pressure has increased. directly related to the square root of its molar mass. Chemistry: Matter and Change • Chapter 13 Study Guide for Content Mastery Answer Key 73 74 Study Guide for Content Mastery Chemistry: Matter and Change • Chapter 13 Study Guide for Content Mastery

Chemical Nanotechnology Essay

1764 words - 8 pages the debate, since Smalley's new focus on realistic chemistry (instead of the earlier “magic fingers”) permits detailed analysis of the technical merits of his claim. The answer to the question of MNT’s capabilities will have a large effect on nanotechnology policy, and further research is urgently needed to find this answer. Smalley's factual inaccuracies and continued failure to criticize the actual chemical proposals of MNT strongly suggest that

Phenylalanine

669 words - 3 pages inborn error in metabolism can cause serious health issues if phenylalanine is consumed. I have also learned that persons that do not have the inborn error but are carriers of the gene, they too can also be affected by the over consumption of phenylalanine. I also have learned that phenylalanine is found in regular foods such as meat, milk, eggs, and peanuts. Looking at phenylalanine from the organic chemistry point of view makes me more

Army

1546 words - 7 pages have the correct question paper. Answer ALL the questions. You must write your answer to each question in the space following the question. Values from the statistical tables should be quoted in full. When a calculator is used, the answer should be given to an appropriate degree of accuracy. Information for Candidates A booklet ‘Mathematical Formulae and Statistical Tables’ is provided. Full marks may be obtained for answers to ALL

Why Applying for Cultural Diversity Tuition Waiver

526 words - 3 pages may ask , why I didn't go in for graduate studies or go in as a special student? My answer to such a question is mainly two reasons. The first reason is finance. I will need resources like books, lecture materials and assigned advisor. This will require me to either quit my job or go in for a part time job which will make it intriguing for me not only to sustain my family but to pay for tuition or buy learning materials. The second reason

Make Mumbai Special

3154 words - 13 pages pounding heart in between, Says Amir Khusrau, its moving inch by inch. Answer | (3) Ujjal ateet moti barani, paayi kabnt diyay moye dharani, Jahaan dhari wahan nahin paayi, haat bajaar sabhay dhoondh aayi; Aye sakhi ab keejay ka? Pi maangay to deejay kya?He found some beautiful, sparkling pearls,  and gave them to me to keep, But alas, I can’t find them now where I kept, Have searched every corner, even in the bazaar; What to do, Oh

Healthcare

650 words - 3 pages clinical chemistry department. The array machine can provide a quantitative measure and not just the positive or negative indicator that the clinical chemistry department's current equipment gives. The CEO of XYZ Health Care has hired your team as consultants to answer the following questions:  1. How many autoimmunity tests per year will have to be performed on the array machine to break even? 2. Given the present volume of tests, would there be

What Makes A Paper Scientific

453 words - 2 pages science of life and living organisms. Chemistry is the branch of science concerned with the composition of substances, their properties, and their reactions. Physics is yet another branch of science which deals with both matter and energy and their interactions. Therefore, scientific statements cover a wide range of subjects which revolve around the mechanics of the natural world. The high validity and reliability of scientific statements depend on

Technology

2664 words - 11 pages , metal (what kind?), glass etc.). phone or television. List all of the materials that make the item (i.e. 2. Now think about one of those materials and try to answer the the answers. following questions. Use library or internet resources to research a) How is it made? 8 Chemistry connects to . . . . . . b) Where is it made? c) Who designed it? Technology Level I Introduction 9 3. Think about the process for

Biology Week 1 Lab

892 words - 4 pages WEEK 1 EXPERIMENT ANSWER SHEET Please submit to the Week 1 Experiment dropbox no later than Sunday midnight. SUMMARY OF ACTIVITIES FOR WEEK 1 EXPERIMENT ASSIGNMENT • Lab 1 Exercise 1 – The Scientific Method Part I • Lab 1 Exercise 2 – The Scientific Method Part II • Lab 5 Experiment 1 – The Chemistry of Life Lab 1 Exercise 1: The Scientific Method Part I (16 pts) Be sure that you have read through the Lab 1

Biology Of Louis Pasteur

657 words - 3 pages family of tanners, not a likely place for such a person to sprout from. He was an average student early on in his life and was also very good at painting and drawing. In 1840 the young Louis acquired his Bachelor of Arts degree and two years later in 1842, his bachelor’s in science, at the École Normale Supérieure. In 1848 he shortly worked as a professor of physics, and a year later became a professor of chemistry at the

Related Essays

Organic And Inorganic Essay

785 words - 4 pages ORGANIC and INORGANIC There are quite a number of common definitions, but most of them are too restrictive and have exceptions. Incidentally there's a very good answer on the Web, to the question of "what is organic chemistry?" * Organic compounds are produced by living things. Inorganic compounds are produced by non-living natural processes or by human intervention in the laboratory. This was the most common definition of "organic

Chemistry Essay

601 words - 3 pages Chemistry Mid-term Exam Version 2/23/15 Name: Student number: Directions: It is important that you provide answers in your own words. Please focus only on information from the text/eBook to create your own solutions.  Please do not use direct information from an outside source (especially copying and pasting from an “answer” website). Use of direct information from an outside source is against school policy.  All answers will be

The Importance Of Ions Essay

888 words - 4 pages Chemistry The Importance of Ions In chemistry, we attempt to grasp numerous rules and facts so that we can better understand the world around us down to the most basic of levels. Ions are amongst the most important binding agents of the universe and the least significant item on a person’s list of graces at thanksgiving. A key to being able to comprehend how chemistry works is knowing what ions are, the job they perform, and how crucial

Your Chemical World Essay

2861 words - 12 pages , just picture the miles and miles of sewers winding deep underneath the ground you walk on. In our garage we can see it by looking under the hood of your car, chemistry is everywhere. So “Your Chemical World” has now demonstrated the inviolability of it’s products, the next logical question one may ask is where did the raw materials that were used to make things like my car or refrigerator? Well the answer to that is you are standing on it