Chemistry Most Important One Liner Question and Answer part-1
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Chemistry Most Important One Liner Question and Answer part-1
Steel contains - 1–2 percent carbon
The component of air used in the respiratory process is -
The main role of salts in food is- to make a small amount of hydrochloric acid which helps in digestion of food.
The most commonly used metal by humans is iron.
The main component of cow dung gas is – Methane
The best fertilizer for plants is- compost
The pH of aqueous solution of hydrochloric acid can be approximately – 2
The highest element found in rocks and minerals is- Oxygen
The gas used to extinguish the fire is carbon dioxide.
The aqueous solution of which gas has a strong acidic property - sulfur dioxide
The industrial production of aluminum from bauxite is by industrial process - electrical decomposition
Hydrogen is made up of acids, hydrogen and elements - chlorine.
The commercial utility of ethylene and styrene is due to their potential – polymerization
The compound that does not form a clean solution with water is benzoic acid.
Pure alcohol from Sura can be obtained from this process- Distillation
The highest amount of substance found in ocean water is- ordinary salt
The gas produced by the fermentation of a sugar solution is- carbon dioxide.
The pH of an aqueous solution of acetic acid is 2 what will be added to it will increase its pH value- Aqueous ammonia
Natural substance, which is made up of only one element and from which energy can be obtained – coal
Water is often not used to extinguish petrol fires because- water and petrol are inseparable. Petrol forms a layer on the surface of water
Industrial is a group of substances made by electrical decomposition - caustic soda, chlorine, aluminum
The gas that pollutes the environment is- sulfur dioxide.
The most important compounds for plant growth are made of- Nitrogen
How the compound made by heating caustic soda solution with flaxseed oil is used- soap
Sulfur dioxide and oxygen are two gases used in the industrial production of sulfuric acid.
By what method can pure water be obtained from the oceans – distillation
In which process normal salts are obtained from sea water- evaporation
What happens in the white layer that accumulates on the heating element of the electrical equipment used to boil hard water - calcium and magnesium salts
Which is the common salt - sodium chloride
After passing through the rocks, what becomes hard by dissolving in water - calcium carbonate
What is the chemical name of baking soda - sodium bicarbonate
Phenomenon used in the process of dialysis given to patients of diseased kidneys
There is a mixture of gunpowder- nitrate, sulfur and charcoal.
Reagent is the color-bleaching reagent - sulfur dioxide.
The process of heating a solid object directly into gaseous form is called -
Silver halides are used in photography plates because- they are colorless.
Do not sleep near or under trees at night because trees leave at night - Carbon dioxide
Quartz glass is a pure crystalline form of silica for passing ultraviolet rays in scientific instruments.
The gas used to cook green fruits is-
The primary gold purity is - 24 carat
Serpasil- is a tranquilizer
Chloroquine is a compound that acts as an- anti-malarial drug.
The first metal used by humans was- copper
The most malleable metal is- gold
The water of the rivers is hardened by rain water because - they contain calcium and magnesium salts.
The pH of human blood is approximately- 5.
Human beings working in asbestos factories become victims of air pollution. The most affected part of their body is- the lungs.
Dialysis is done on patients who have renal disorders.
Indian Central Drug Research Institute is located in-
The nature of saliva is-
An object that can be identified by Soft X-Ray - fake coins with real coins
The paper can be developed from old fingerprints - Ninhydrin solution (H2O2)
The maximum concentration of alcohol does not harm the powers of the human body - 9 percent
Anemia is caused due to lack of anemia in the body- iron
The best way to sterilize the hypodermic syringe is to give the drug by the vaccine in the body - leaving it in the alcohol for a short time.
Gramine is the most suitable and inexpensive means for electrification and home cooking – Biogas
Amongst the substances used as explosives-
Difference between explosion and combustion- In case of explosion the pressure in the delimited area increases rapidly but nothing like this happens during combustion
Indian Science Congress Association organizes sessions - every year
Fluorescent tubes are commonly used substances - mercury vapor and argon.
Commonly used medicine for typhoid is- chloromycetin.
Ozone is important for mankind as it forms- a protective cover to prevent ultraviolet rays.
Substances related to diseases in the human system- Antibody
The order of places in India where copper, gold, iron and coal are found is as follows - Khetdi, Kolar, Kudremukh, Jharia
The most abundant source of iron is- green vegetables.
Which vitamins cannot work in the system of human body - provide energy
Runners are given for instantaneous power- glucose
The maximum perishable substance while cooking food is- Vitamin
Due to which the dough is puffed up in making bread - the redemption action of carbon dioxide formed during the fermentation process
Which element is essentially in all acids- Hydrogen
In oil wells, oil, water and gas are in this ascending order- water, oil, gas
Drinking soda is - acidic by nature
Drugs that prevent infection and weathering are called- Antiseptic.
The process of separating compounds from mixtures in a specific way is called- refining.
Name of the branch of chemical related to the study of living systems is- Organic chemistry
How does anhydrous calcium chloride work- Dehydrating agent
Cholesterol is a fat alcohol found in- living organisms.
The substance that cleans dust and grease from the surface is called – harmful
To promote fusion (melting), a substance mixed with metals is- flux
Hard water is high in dissolved minerals - largely calcium and magnesium.
Inert gases - are not chemically reactive
Linseed cake is useful in- feeding animals.
Magnesia is the main use - Mild Laxative.
To make ethyl alcohol unsuitable for drinking, what is added to it- Methyl alcohol
N.A. What is the unit in- Deoxyribose
The main component of tobacco is- nicotine.
The metals to be mixed in gold while making jewelry are- copper
Who makes utensils for containing strong acids – glass
The branch of a chemical used to find the actual quantity of substances is called- Analytical Chemicals.
The point at which solid, liquid and gaseous forms of a substance co-exist is called- the triple point.
Who has been given the name Antibody - substances produced in the blood that inhibit or destroy the invasion of harmful bacteria
The process of expulsion of water from any system is called – Dehydration
Riboflavin – Vitamin
The worst air pollution is- from carbon monoxide.
National Chemical Laboratory (NCL) is located - in Puna
In which substance maximum amount of nitrogen is found- urea
Sweat contains- water, salts and waste matter.
Soda bicarbonate is useful in extinguishing a fire because- it decomposes into carbon dioxide when heated.
Pair of organic bases in natural nucleic acids which are related to hydrogen bonding- adenine and thiamine
