The addition of any substance to water which leads to change in its physical and chemical characteristics is defined as water pollution. It results in

The addition of any substance to water which leads to change in its physical and chemical characteristics is defined as water pollution. It results in
by

1 Answer

Answer :

The addition of any substance to water which leads to change in its physical and ... Increased photosynthesis D. Increased turbidity and deoxygenation
by
selected by

Related questions

Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its (A) Tensile strength (B) Chemical resistance (C) Flexibility (D) All (A), (B) & (C)

Description : Addition of plasticisers to polymers results in partial neutralisation of intermolecular forces of attraction between the macro-molecules thereby increasing its (A) Tensile strength (B) Chemical resistance (C) Flexibility (D) All (A), (B) & (C)

Last Answer : (C) Flexibility

The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and pressure. It is given by (A) (∂E/∂ni)S, v, nj (B) (∂G/∂ni)T, P, nj = (∂A/∂ni) T, v, nj (C) (∂H/∂ni)S, P, nj (D) All (A), (B) and (C)

Description : The chemical potential of a component (μi) of a phase is the amount by which its capacity for doing all work, barring work of expansion is increased per unit amount of substance added for an infinitesimal addition at constant temperature and ... , nj (C) (∂H/∂ni)S, P, nj (D) All (A), (B) and (C)

Last Answer : (D) All (A), (B) and (C)

In a physical change some of the first physical properties of the substance may be altered and the chemical composite remains the same true or false?

Description : In a physical change some of the first physical properties of the substance may be altered and the chemical composite remains the same true or false?

Last Answer : The chemical composition is unchanged.

In a physical change some of the physical properties of the substance may be altered and the chemical composition?

Description : In a physical change some of the physical properties of the substance may be altered and the chemical composition?

Last Answer : In a physical change, the chemical composition of a substance is never changed.

Assertion :- Cell growth results into division Reason :- Cell growth leads to change in nucleocytoplasmic ratio.

Description : Assertion :- Cell growth results into division Reason :- Cell growth leads to change in nucleocytoplasmic ratio.

Last Answer : Assertion :- Cell growth results into division Reason :- Cell growth leads to change in nucleocytoplasmic ... D. If both Assertion & Reason are false.

Any change in physical (smell, colour taste), chemical and biological characteristics of water is called

Description : Any change in physical (smell, colour taste), chemical and biological characteristics of water is called

Last Answer : water pollution

An undesirable change in the physical, chemical and biological characteristics of the environment is called

Description : An undesirable change in the physical, chemical and biological characteristics of the environment is called

Last Answer : pollution.

Which of the following is NOT one of the 3 main types of water pollution? a. Physical pollution b. Chemical pollution c. Thermal pollution d. Biological pollution

Description : Which of the following is NOT one of the 3 main types of water pollution? a. Physical pollution b. Chemical pollution c. Thermal pollution d. Biological pollution

Last Answer : c. Thermal pollution

addition of phophates and nitrates/fertilizers into water leads to

Description : addition of phophates and nitrates/fertilizers into water leads to

Last Answer : addition of phophates and nitrates/fertilizers into water leads to A. Increased grwoth of ... algal growth D. Nutrient enrichment/eutrophication .

Marginal cost is defined as……………………. (a) Change in total cost due to addition of one unit ; (b) Total cost divided by additional unit; (c) Total cost divided by total units produced ; (d) Total sales / Total production

Description : Marginal cost is defined as……………………. (a) Change in total cost due to addition of one unit ; (b) Total cost divided by additional unit; (c) Total cost divided by total units produced ; (d) Total sales / Total production

Last Answer : (a) Change in total cost due to addition of one unit ;

All the following statements about endemic goiter are true except (A) It occurs in areas where soil and water have low iodine content (B) It leads to enlargement of thyroid gland (C) It results ultimately in hyperthyroidism (D) It can be prevented by consumption of iodised salt

Description : All the following statements about endemic goiter are true except (A) It occurs in areas where soil and water have low iodine content (B) It leads to enlargement of thyroid gland (C) It results ultimately in hyperthyroidism (D) It can be prevented by consumption of iodised salt

Last Answer : Answer : C

Consider the following statements: 1. Standard penetration test is commonly used for cohesionless soils. 2. Standard penetration test results in respect of a cohesionless soil are correlated to its density index and friction angle. 3. Use of H-value not corrected for overburden pressure leads to highly conservative design of footings at shallow depths. Which of these statements are correct? (a) 1, 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Description : Consider the following statements: 1. Standard penetration test is commonly used for cohesionless soils. 2. Standard penetration test results in respect of a cohesionless soil are correlated to its density index and friction angle. 3. Use of H- ... 2 & 3 (b) 1 & 2 only (c) 2 & 3 only (d) 1 & 3 only

Last Answer : (a) 1, 2 & 3

Which one of the following processes during decomposition is correctly described? (a) Catabolism – Last step in the decomposition under fully anaerobic condition (b) Leaching – Water soluble inorganic nutrients rise to the top layers of soil (c) Fragmentation – Carried out by organisms such as earthworm (d) Humification – Leads to the accumulation of a dark coloured substance humus which undergoes microbial action at a very fast rate.

Description : Which one of the following processes during decomposition is correctly described? (a) Catabolism - Last step in the decomposition under fully anaerobic condition (b) Leaching - Water soluble inorganic ... of a dark coloured substance humus which undergoes microbial action at a very fast rate.

Last Answer : (c) Fragmentation – Carried out by organisms such as earthworm

When a gas or a liquid is subjected to an increased pressure, the substance contracts, the bulk strain is defined as A. final volume ⁄ original volume B. final pressure ⁄ original pressureC. change in volume ⁄ original volumeD. original volume ⁄ change in volume

Description : When a gas or a liquid is subjected to an increased pressure, the substance contracts, the bulk strain is defined as A. final volume ⁄ original volume B. final pressure ⁄ original pressure C. change in volume ⁄ original volume D. original volume ⁄ change in volume

Last Answer : change in volume ⁄ original volume

what All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be A. universal property. B. physical property. C. biological property. D. chemical property.?

Description : what All substances have characteristic properties. If one of these properties can be observed without changing the identity of the substance, it must be A. universal property. B. physical property. C. biological property. D. chemical property.?

Last Answer : B: Physical Property

For a substance, density, solubility and melting point are examples of: w) physical properties x) amorphous properties y) chemical properties z) potential properties

Description : For a substance, density, solubility and melting point are examples of: w) physical properties x) amorphous properties y) chemical properties z) potential properties

Last Answer : ANSWER: W -- PHYSICAL PROPERTIES

All of the following statements about generalized gangliosidosis are true except (A) It results from deficiency of GM1-βGangliosidase (B) Breakdown of GM1 ganglioside is impaired (C) GM2 ganglioside accumulates in liver and elsewhere (D) It leads to mental retardation

Description : All of the following statements about generalized gangliosidosis are true except (A) It results from deficiency of GM1-βGangliosidase (B) Breakdown of GM1 ganglioside is impaired (C) GM2 ganglioside accumulates in liver and elsewhere (D) It leads to mental retardation

Last Answer : Answer : C

Lack of qxygen in muscle often leads to cramps among Athletes . This results due to : (a) conversion of Pyruvate to Ethanol (b) conversion of Pyruvate to Glucose (c) conversion of Glucose to Pyruvate (d) conversion of Pyruvate to Lactic acid

Description : Lack of qxygen in muscle often leads to cramps among Athletes . This results due to : (a) conversion of Pyruvate to Ethanol (b) conversion of Pyruvate to Glucose (c) conversion of Glucose to Pyruvate (d) conversion of Pyruvate to Lactic acid

Last Answer : (b) conversion of Pyruvate to Glucose

Which one of the following statements is FALSE? a. Packet switching leads to better utilization of bandwidth resources than circuit switching. b. Packet switching results in less variation in delay than circuit switching. c. Packet switching requires more per packet processing than circuit switching d. Packet switching can lead to reordering unlike in circuit switching

Description : Which one of the following statements is FALSE? a. Packet switching leads to better utilization of bandwidth resources than circuit switching. b. Packet switching results in less variation ... than circuit switching d. Packet switching can lead to reordering unlike in circuit switching

Last Answer : Packet switching results in less variation in delay than circuit switching.

Which of the following is not a correct match ?  Print media- traditional marketing Pay per click- Internet advertising model  Generating leads- landing pages  Real time results- television advertising

Description : Which of the following is not a correct match ?  Print media- traditional marketing  Pay per click- Internet advertising model  Generating leads- landing pages  Real time results- television advertising

Last Answer :  Real time results- television advertising

Addition oxcessive amounts of heat to a lake is referred to as - (1) Refrigeration effect (2) Green House effect (3) Thermal pollution (4) Heat Bloom

Description : Addition oxcessive amounts of heat to a lake is referred to as - (1) Refrigeration effect (2) Green House effect (3) Thermal pollution (4) Heat Bloom

Last Answer : (3) Thermal pollution Explanation: Thermal pollution is defined as the addition of excess of undesirable heat to water thereby making it harmful to man, animal or aquatic life. A common ... . The change in ambient temperature of water decreases oxygen supply and affects ecosystem com-position.

Addition oxcessive amounts of heat to a lake is referred to as : (1) Refrigeration effect (2) Green House effect (3) Thermal pollution (4) Heat Bloom

Description : Addition oxcessive amounts of heat to a lake is referred to as : (1) Refrigeration effect (2) Green House effect (3) Thermal pollution (4) Heat Bloom

Last Answer : Thermal pollution

What is any characteristic of a substance that allows a substance to undergo a change that results in a new substance?

Description : What is any characteristic of a substance that allows a substance to undergo a change that results in a new substance?

Last Answer : Oxidation

What are two physical characteristics of ionic compounds What is one chemical characteristics of ionic compounds?

Description : What are two physical characteristics of ionic compounds What is one chemical characteristics of ionic compounds?

Last Answer : Ionic compounds are hard and rigid due to strong forces of attraction between the oppositely charged ions. Ionic compounds have high melting and boiling points, again due to strong forces of attraction between the ions. Ionic compounds dissolve easily in water.

What is the physical and chemical characteristics of tin and carbon?

Description : What is the physical and chemical characteristics of tin and carbon?

Last Answer : Allotropes are forms of an element with different physical and chemical properties. This white tin has a melting point of 232°C (450°F), a boiling point of 2,260°C (4,100°F), and a density of 7.31 grams per cubic centimeter.

Compute the value of adding the following two fuzzy integers: A = {(0.3,1), (0.6,2), (1,3), (0.7,4), (0.2,5)} B = {(0.5,11), (1,12), (0.5,13)} Where fuzzy addition is defined as μA+B(z) = maxx+y=z (min(μA(x), μB(x))) Then, f(A+B) is equal to (A) {(0.5,12), (0.6,13), (1,14), (0.7,15), (0.7,16), (1,17), (1,18)} (B) {(0.5,12), (0.6,13), (1,14), (1,15), (1,16), (1,17), (1,18)} (C) {(0.3,12), (0.5,13), (0.5,14), (1,15), (0.7,16), (0.5,17), (0.2,18)} (D) {(0.3,12), (0.5,13), (0.6,14), (1,15), (0.7,16), (0.5,17), (0.2,18)}

Description : Compute the value of adding the following two fuzzy integers: A = {(0.3,1), (0.6,2), (1,3), (0.7,4), (0.2,5)} B = {(0.5,11), (1,12), (0.5,13)} Where fuzzy addition is defined as μA+B(z) = maxx+y=z (min(μA(x), μB( ... ,18)} (D) {(0.3,12), (0.5,13), (0.6,14), (1,15), (0.7,16), (0.5,17), (0.2,18)}

Last Answer : (D) {(0.3,12), (0.5,13), (0.6,14), (1,15), (0.7,16), (0.5,17), (0.2,18)} 

Addition of heat at constant pressure to a gas results in  (a) raising its temperature  (b) raising its pressure  (c) raising its volume  (d) raising its temperature and doing external work  (e) doing external work.

Description : Addition of heat at constant pressure to a gas results in  (a) raising its temperature  (b) raising its pressure  (c) raising its volume  (d) raising its temperature and doing external work  (e) doing external work.

Last Answer : Answer : d

What compound results from the 1,4-addition of one equivalent of HBr to 1,3-butadiene? (a) 1-bromo-1-butene (b) 2-bromo-2-butene (c) 4-bromo-1-butene (d) 1-bromo-2-butene

Description : What compound results from the 1,4-addition of one equivalent of HBr to 1,3-butadiene? (a) 1-bromo-1-butene (b) 2-bromo-2-butene (c) 4-bromo-1-butene (d) 1-bromo-2-butene

Last Answer : 1-bromo-2-butene

In a Rankine cycle, regeneration results in higher efficiency because (a) Pressure inside the boiler increases [GATE-2003] (b) Heat is added before steam enters the low pressure turbine (c) Average temperature of heat addition in the boiler increases (d) Total work delivered by the turbine increases

Description : In a Rankine cycle, regeneration results in higher efficiency because (a) Pressure inside the boiler increases [GATE-2003] (b) Heat is added before steam enters the low pressure turbine (c) ... temperature of heat addition in the boiler increases (d) Total work delivered by the turbine increases 

Last Answer : (c) Average temperature of heat addition in the boiler increases  

The change in physical size of a substance when its temperature changes.  a. intensive property  b. extensive property  c. volume expansion  d. thermal expansion

Description : The change in physical size of a substance when its temperature changes.  a. intensive property  b. extensive property  c. volume expansion  d. thermal expansion

Last Answer : thermal expansion

What are the results of soil pollution? -Geography

Description : What are the results of soil pollution? -Geography

Last Answer : It results in the increase of soil erosion, lack of humus, decrease in soil microorganisms, plant nutrients etc.

landfill waste results in air pollution as _______. -General Knowledge

Description : landfill waste results in air pollution as _______. -General Knowledge

Last Answer : a garbage decomposes and releases methane

The element I am thinking about has several interesting characteristics. It occupies the same column in the periodic table as lead. Resistors which are commonly found in electronic circuits are often made out of this element. In addition, in one of its forms, this element is one of the hardest substances on earth. What element am I thinking about?

Description : The element I am thinking about has several interesting characteristics. It occupies the same column in the periodic table as lead. Resistors which are commonly found in electronic circuits are often made out ... element is one of the hardest substances on earth. What element am I thinking about? 

Last Answer : ANSWER: CARBON

The fuel -substance that causes minimum atmospheric pollution is (a) hydrogen (b) kerosene oil (c) coke (d) gasoline

Description : The fuel -substance that causes minimum atmospheric pollution is (a) hydrogen (b) kerosene oil (c) coke (d) gasoline

Last Answer : Ans:(a)

What is an example of physical change a change in size but not substance?

Description : What is an example of physical change a change in size but not substance?

Last Answer : Need answer

Specific gravity is defined as the ratio of – (1) density of the substance to the density of water (2) density of the substance to the density of water at 0°C (3) density of water at 4°C to the density of the substance (4) density of the substance to the density of water at 4°C

Description : Specific gravity is defined as the ratio of – (1) density of the substance to the density of water (2) density of the substance to the density of water at 0°C (3) density of water at 4°C to the density of the substance (4) density of the substance to the density of water at 4°C

Last Answer : (1) density of the substance to the density of water Explanation: Specific gravity is the ratio of the density of a substance to the density (mass of the same unit volume) of a reference substance. The reference substance is nearly always water for liquids or air for gases.

Specific gravity is defined as the ratio of (1) density of the substance to the density of water (2) density of the substance to the density of water at 0°C (3) density of water at 4°C to the density of the substance (4) density of the substance to the density of water at 4°C

Description : Specific gravity is defined as the ratio of (1) density of the substance to the density of water (2) density of the substance to the density of water at 0°C (3) density of water at 4°C to the density of the substance (4) density of the substance to the density of water at 4°C

Last Answer : density of the substance to the density of water

In addition to technical skills what traits and characteristics do employers seek?

Description : In addition to technical skills what traits and characteristics do employers seek?

Last Answer : What is the answer ?

In addition to a flat top, what characteristics must a modulator pulse have?

Description : In addition to a flat top, what characteristics must a modulator pulse have?

Last Answer : Steep leading and trailing edges.

In addition to a flat top, what characteristics must a modulator pulse have?

Description : In addition to a flat top, what characteristics must a modulator pulse have?

Last Answer : Steep leading and trailing edges.

In .................. models, everything is defined and the results are certain. a. Probabilistic b. Deterministic c. Both a and b d. None of these

Description : In .................. models, everything is defined and the results are certain. a. Probabilistic b. Deterministic c. Both a and b d. None of these

Last Answer : b. Deterministic

What are the characteristics of physical or positional change ?

Description : What are the characteristics of physical or positional change ?

Last Answer : The characteristics of physical or positional change are as follows: No new type of object is created. The physical nature of the object changes. The molecular structure of an object does not change. ... , the object returns to its previous state. Heat absorption or emission may or may not occur.

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

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

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

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 or ... 10 M/7 C. 7 M/9 D. 9 M/7

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

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 or ... /5 B. M/6 C. M/10 D. M/2

What term is defined as any substance through which wane energy travels?

Description : What term is defined as any substance through which wane energy travels?

Last Answer : Need answer

Fuel' can be defined as a substance which produces heat by (A) Combustion (B) Nuclear fission (C) Nuclear fusion (D) All (A), (B) & (C)

Description : Fuel' can be defined as a substance which produces heat by (A) Combustion (B) Nuclear fission (C) Nuclear fusion (D) All (A), (B) & (C)

Last Answer : (D) All (A), (B) & (C