Description : What kind of storage allows you to access the 125th record without having to read the 124 records in front of it?
Last Answer : Direct-access storage.
Description : Which gas does not form the part, of atmosphere? (1) Nitrogen (2) Helium (3) Chlorine (4) None of the above
Last Answer : (3) Chlorine Explanation: The atmosphere of Earth is a layer of gases surrounding the planet Earth that is retained by Earth's gravity. The atmosphere protects life on Earth by absorbing ... temperature variations). Air is the name given to the atmosphere used in breathing and photosynthesis.
Description : Which gas does not form the part of atmosphere ? (1) Nitrogen (2) Helium (3) Chlorine (4) None of the above
Last Answer : Chlorine
Description : The combination of computing, telecommunications and media in a digital atmosphere is referred to as: (A) online communication (B) integrated media (C) digital combine (D) convergence
Last Answer : Answer: D Technological convergence is the tendency that as technology changes, different technological systems sometimes evolve toward performing similar tasks. Digital convergence refers to the convergence of four industries ... , such as most smart ph ones can make phone calls and search the web.
Description : What is the name of the process where two or more atoms combine to form a new substance?
Last Answer : A: Chemical bonding.
Description : Equivalent Mass The eqivalent mass of a substance is defined as the number of parts by mass of it which combine with or displace 1.0078 parts by mass
Last Answer : Equivalent Mass The eqivalent mass of a substance is defined as the number of parts by mass of it which combine with ... O` A. 90 B. 45 C. 64 D. 128
Last Answer : Equivalent Mass The eqivalent mass of a substance is defined as the number of parts by mass of it which combine with or ... 10 M/7 C. 7 M/9 D. 9 M/7
Last Answer : Equivalent Mass The eqivalent mass of a substance is defined as the number of parts by mass of it which combine with or ... /5 B. M/6 C. M/10 D. M/2
Description : What is two or more substances that are together but do not combine to form a new pure substance?
Last Answer : What is the answer ?
Description : Sum of the internal energy of a substance and the product of pressure and volume. a. Specific Heat b. Specific Gravity c. Isolated System d. Enthalpy
Last Answer : Enthalpy
Description : How many iron(II) ions combine with Nitrogen to form iron(II)nitrite?
Last Answer : Iron(II) Nitrite Fe(NO2)2 Molecular Weight -- EndMemo
Description : The pH value of water is kept slightly less than 7 so that hydrochloride ions may combine with ammonia ions to form (A) Mono-chloramine (NHCl) (B) Di-chloramine (NH2Cl) (C) Nitrogen tri-chloramine (NCl3) (D) All the above
Last Answer : (D) All the above
Description : The source of oxygen in atmosphere is due to – (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration
Last Answer : (1) Photosynthesis Explanation: The main source of atmospheric free oxygen is photosynthesis, which produces sugars and free oxygen from carbon dioxide and water. The organ-isms that carry out photosynthesis include ... well as the phytoplankton of the oceans. 6CO2 + 6H2O + energy -> C6H12O6 + 6O2
Description : Acid rain is caused due to pollution of atmosphere by – (1) oxides of carbon and nitrogen (2) oxides of nitrogen and sulphur (3) oxides of nitrogen and phosphorus (4) None of these
Last Answer : (2) oxides of nitrogen and sulphur Explanation: Acid rain is caused by emissions of Sulpfur Dioxide (SO2) and Nitrogen Oxide (NOx), which react with the water molecules in the atmosphere to produce acids.
Description : The source of oxygen in atmosphere is due to (1) Photosynthesis (2) Excretion (3) Nitrogen fixation (4) Respiration
Last Answer : Photosynthesis
Description : Acid rain is caused due to pollution of atmosphere by (1) oxides of carbon and nitrogen (2) oxides of nitrogen and sulphur (3) oxides of nitrogen and phosphorous (4) None of these
Last Answer : oxides of nitrogen and sulphur
Description : A piece of magnesium ribbon was heated to redness in an atmosphere of nitrogen and then cooled with water. The gas evolved is
Last Answer : A piece of magnesium ribbon was heated to redness in an atmosphere of nitrogen and then cooled with ... . ammonia B. hydrogen C. nitrogen D. oxygen
Description : What is the most abundant gas in our atmosphere oxygen hydrogen nitrogen water?
Last Answer : It is nitrogen, followed by oxygen.
Description : Which two distinct microbial processes are responsible for the release of fixed nitrogen as dinitrogen gas (N2) to the atmosphere? (a) Aerobic nitrate oxidation and nitrite reduction (b) ... fixation by Rhizobium in root nodules of legumes (d) Anaerobic ammonium oxidation and denitrification
Last Answer : (d) Anaerobic ammonium oxidation and denitrification
Description : Fire in fuel gas pipelines is extinguished most effectively by (A) Spraying water (B) Blanketting the area with nitrogen atmosphere (C) Fire fighting foam (D) None of these
Last Answer : Option B
Description : The removal of paint from electrical equipment, such as generators, should be cautiously undertaken because ____________. A. the mechanical shock of paint removal lessens the dielectric strength ... phase windings frequently become isolated from each other due to dust interference at the terminals
Last Answer : Answer: B
Description : 0.257g of organic substance was heated with conc. sulphuric acid and then distilled with excess of strong alkali .the ammonia gas evolved was absorbed in 50ml of .1M HCl which required 23.2ml of c for neutralization at the end of the process. Determine the % of nitrogen in the compound ?
Last Answer : A. Vol of 0 .1M HCl taken = 50ml Vol of .1MNaOH used for neutralization of unused acid=23.2ml Now, 23.2 ml of .1MNaOH =23.2ml of .1MHCl Vol of .1MHCl unused=23.2ml Vol of .1MHCl required ... NH3 solution contain nitrogen = 14*26.8/10*1000 Percentage of Nitrogen=14*26.8*100/10*1000*.257 =14.6%
Description : (3) two light nuclei combine to form a heavy nucleus Explanation: Nuclear fusion is the process of making a single heavy nucleus (part of an atom) from two lighter nuclei. The difference in mass ... . Fusion is the process that powers active or "main sequence" stars, or other high magnitude stars.
Last Answer : Helium is added to the oxygen supply of deep sea divers because it is - (1) less poisonous than nitrogen (2) (2) Lighter than nitrogen (3) Readily miscible with oxygen (4) less soluble in blood than nitrogen at high pressure
Description : Wood is well suited to use as bearing on straw walker cranks in combine due to fact a) Wood corrosion resistance b) Split bearing are needed for practical purpose c) It can take radial as well as thrust loads d) No lubrication is required
Last Answer : b) Split bearing are needed for practical purpose
Description : Cost push inflation arises due to (a) Persistent rise in factor cost ; (b) Mismatch between demand and supply of commodities (c) Combine phenomena of demand pull and cost-push inflation. ; (d) Increase in price of precious metal
Last Answer : (a) Persistent rise in factor cost ;
Description : Demand pull inflation rises due to (a) Persistent rise in factor cost ; (b) Mismatch between demand and supply of commodities (c) Combine phenomena of demand pull and cost-push inflation. ; (d) Increase in Price of precious metal
Last Answer : ; (b) Mismatch between demand and supply of commodities
Description : A camp where people were isolated and detained without due process of law, is referred to as _______ . -History 9th
Last Answer : Many of these sites were called concentration camps. The term concentration camp refers to a camp in which people are detained or confined, usually under harsh conditions and without regard to legal norms of arrest and imprisonment that are acceptable in a constitutional democracy.
Description : The frequency of an allele in an isolated population may change due to
Last Answer : The frequency of an allele in an isolated population may change due to A. Genetic drift B. Gene flow C. Mutation D. Natural selection
Description : Assertion :- In an isolated system the entropy increases due to spontanous process. Reason :- The processes in an isolated system are adiabatic.
Last Answer : Assertion :- In an isolated system the entropy increases due to spontanous process. Reason :- The ... D. If both Assertion & Reason are false.
Description : The ratio of the deflections of the free end of a cantilever due to an isolated load at 1/3rd and 2/3rd of the span, is (A) 1/7 (B) 2/7 (C) 3/7 (D) 2/5
Last Answer : (B) 2/7
Description : Surface tension of a liquid (A) Is due to intermolecular forces of cohesion (B) Decreases with rise in temperature (C) Is responsible for the spherical shape of an isolated liquid drop (D) All (A), (B) & (C)
Last Answer : (D) All (A), (B) & (C)
Description : Having multiple perceptrons can actually solve the XOR problem satisfactorily: this is because each perceptron can partition off a linear part of the space itself, and they can then combine their results. ... have to be explicitly hand-coded d) False - just having a single perceptron is enough
Last Answer : c) True – perceptrons can do this but are unable to learn to do it – they have to be explicitly hand-coded
Description : Is link up procedures an essential part of the isolated Soldier Guidance?
Last Answer : Feel Free to Answer
Description : Which one of the following is not a part of Koch s postulates? a. The microorganism must be isolated from a dead animal and pure cultured b. The microorganism and disease can be identified from ... a healthy susceptible animal. d. The same microorganism must be present in every case of the disease.
Last Answer : d. The same microorganism must be present in every case of the disease.
Description : Which of the following is characteristic feature of Le Fort II fracture Options: 1) The fracture line runs through the root of the nose, lacrimal bone, floor of orbit, upper part of maxillary ... ) Complete separation of the facial bones from the cranial bones 4) Isolated fracture of orbital floor
Last Answer : Correct Answer: 1) The fracture line runs through the root of the nose, lacrimal bone, floor of orbit, upper part of maxillary sinus and pterygoid plates
Description : Teo atoms of hydrogen combine to form a molecule of hydrogen gas, the energy of the `H_(2)` molecule is :
Last Answer : Teo atoms of hydrogen combine to form a molecule of hydrogen gas, the energy of the `H_(2)` ... atoms D. Some times lower and some times higher
Description : The scientist who discovered and isolated the chlorine gas?
Last Answer : carl scheele
Description : When a radioactive substance is kept in a vessel, the atmosphere around it is rich with
Last Answer : When a radioactive substance is kept in a vessel, the atmosphere around it is rich with A. Ne B. Ar C. Xe D. He
Description : The process by which a substance absorbs moisture upon exposure to the atmosphere is called: w) efflorescence x) deliquescence y) dehydrogenation z) desalination
Last Answer : ANSWER: X -- DELIQUESCENCE
Description : What is the level of nitrogen in the atmosphere of the Earth? -Science
Last Answer : approximately 78 percent It's a mixture of different gases. The air in Earth's atmosphere is made up of approximately 78 percent nitrogen and 21 percent oxygen.
Last Answer : Mars contains 3 % nitrogen in the atmosphere
Description : When an inert atmosphere is required in metallurgical operation nitrogen is commonly used. However in the extraction of titanium from `TiCl_(4)` using
Last Answer : When an inert atmosphere is required in metallurgical operation nitrogen is commonly used. ... form nitrogne chloride which inhibits the reaction
Description : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react to form oxides of nitrogen. Statement II The reaction
Last Answer : Statement I Nitrogen and oxygen are the main components in the atmosphere but these do not react ... D. Both are assertion and reason are incorrect
Description : Study the given figure of nitrogen cycle that shows the relationship between the three main nitrogen pools-atmosphere, soil and biomass and find label
Last Answer : Study the given figure of nitrogen cycle that shows the relationship between the three main nitrogen pools- ... and find labelled part A,B,C & D
Description : What planet atmosphere is rich with oxygen and nitrogen?
Description : If nearly 79 percent of the atmosphere in nitrogen How could there be a shortage in soil?
Last Answer : o
Description : Oxygen The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide
Last Answer : ANSWER: A
Description : Helium The gases which are used by divers as an artificial atmosphere are helium and _____. A. Oxygen B. Nitrogen C. Neon D. Carbon monoxide