What gas formation of effervescence is due to the evolution?

What gas formation of effervescence is due to the evolution?
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When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is - (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them

Description : When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is - (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them

Last Answer : (3) Carbon dioxide Explanation: When baking soda and lemon juice are added together, the reaction of the two is an acid-based reaction because it involves an acid (citric acid in the lemon juice) ... , more commonly known as baking soda). Carbon dioxide, a gas, is produced by the reaction.

When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them

Description : When lime juice is dropped on baking soda, brisk effervescence takes place because the gas evolved is (1) Hydrogen (2) Oxygen (3) Carbon dioxide (4) All of them 

Last Answer : Carbon dioxide

Name the process by which bubbles from liquid are formed? (1) Effervescence (2) Surface Tension (3) Surface Energy (4) Degasification

Description : Name the process by which bubbles from liquid are formed? (1) Effervescence (2) Surface Tension (3) Surface Energy (4) Degasification

Last Answer : (1) Effervescence Explanation: Effervescence is the escape of gas from an aqueous solution and the foaming or fizzing that results from a release of the gas. It leads to the formation of gas ... as soft drinks, the visible bubbles are produced by the escape from solution of the dissolved gas.

Migration of salt from sub-soil to the surface of a canal (a)Leaching. (b) Effervescence. (c)Fertilization. (d) All of the above.

Description : Migration of salt from sub-soil to the surface of a canal (a)Leaching. (b) Effervescence. (c)Fertilization. (d) All of the above.

Last Answer : (b) Effervescence

The bubbling off of carbon dioxide when a bottle of carbonated beverage is opened is a good example of: w) deliquescence x) effervescence y) condensation z) sublimation

Description : The bubbling off of carbon dioxide when a bottle of carbonated beverage is opened is a good example of: w) deliquescence x) effervescence y) condensation z) sublimation

Last Answer : ANSWER: EFFERVESCENCE

Name the process by which bubbles from liquid are formed? (1) Effervescence (2) Surface Tension (3) Surface Energy (4) Degasification

Description : Name the process by which bubbles from liquid are formed? (1) Effervescence (2) Surface Tension (3) Surface Energy (4) Degasification

Last Answer : Effervescence

From the zygote, pluricellular organisms are formed by serial mitosis. Would this formation be possible if each cell made by mitosis had an identical life in relation to its antecedent cells? How did evolution solve that problem?

Description : From the zygote, pluricellular organisms are formed by serial mitosis. Would this formation be possible if each cell made by mitosis had an identical life in relation to its antecedent cells? How did evolution solve that problem?

Last Answer : The formation of complex and distinct pluricellular organisms would not be possible if mitosis in embryos produced only daughter cells with an identical life history as the mother cell, since there ... process that activates and inactivates some genes within the cell in response to some stimulus.

This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star. A. Alpha Stage B. Stellar Genesis C. Protostar (Answer) D. Star of Adam

Description : This in-between phase of stellar nurseries and star formation in stellar evolution is when the gathered dust is still condensing to form a star. A. Alpha Stage B. Stellar Genesis C. Protostar (Answer) D. Star of Adam

Last Answer : C. Protostar (Answer)

During the carbonisation of coal (A) All tar is evolved at < 600°C (B) Evolution of H2 and formation of methane and aromatics occur at > 700°C (C) Hard semi-coke starts shrinking at 600°C (D) All (A), (B) and (C)

Description : During the carbonisation of coal (A) All tar is evolved at < 600°C (B) Evolution of H2 and formation of methane and aromatics occur at > 700°C (C) Hard semi-coke starts shrinking at 600°C (D) All (A), (B) and (C)

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

Which of the following statement(s) is (are) true for the given situation? Exposure of silver chloride to sunlight for a long duration turns grey due to (i) formation of silver by decomposition of silver chloride (ii) sublimation of silver chloride (iii) decomposition of chlorine gas from silver chloride (iv) oxidation of silver chloride (a) (i) only (b) (ii), (i) and (iii) (c) (ii) and (iii) (d) (iv) only

Description : Which of the following statement(s) is (are) true for the given situation? Exposure of silver chloride to sunlight for a long duration turns grey due to (i) formation of silver by decomposition of silver chloride (ii) sublimation of ... (b) (ii), (i) and (iii) (c) (ii) and (iii) (d) (iv) only

Last Answer : (a) (i) only

Sometimes water is sprayed during coal charging in the coke oven, which helps in (A) Prevention of clinker formation in the oven (B) Controlling the dust nuisance while charging the coal (C) Reducing the cracking of hydrocarbons in the gas and increasing the percentage of CO & H2 in the gas (due to the endothermic reaction represented by C + H2O = CO + H2 ) (D) All (A), (B) and (C)

Description : Sometimes water is sprayed during coal charging in the coke oven, which helps in (A) Prevention of clinker formation in the oven (B) Controlling the dust nuisance while charging the coal (C) Reducing the cracking of hydrocarbons in ... represented by C + H2O = CO + H2 ) (D) All (A), (B) and (C)

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

Is curly hair considered to be a trait that developed through evolution due to climate?

Description : Is curly hair considered to be a trait that developed through evolution due to climate?

Last Answer : Well, of course Africans and the Irish come to mind. I’m not sure what additional benefit curly hair would give under certain circumstances. I think it’s just one of those random mutations.

According of Darwin, the organic evolution is due to

Description : According of Darwin, the organic evolution is due to

Last Answer : According of Darwin, the organic evolution is due to A. Reduced feeding efficiency in ... competition D. Competition within closely related species

Due to discovery of which of the following in 1980, the evolution was termed as RNA world :

Description : Due to discovery of which of the following in 1980, the evolution was termed as RNA world :

Last Answer : Due to discovery of which of the following in 1980, the evolution was termed as RNA world : A. ... enzymatic property D. RNA is not found in all cells

Algae often float on surface of water during the day but sink down during the night due to (a) Evolution and trapping of oxygen bubbles during the day in their photosynthesis (b) Becoming light as they consume most of their food in the night (c) Warming action of sun during the day (d) Release of absorbed air by warming of water

Description : Algae often float on surface of water during the day but sink down during the night due to (a) Evolution and trapping of oxygen bubbles during the day in their photosynthesis (b) Becoming light as they ... (c) Warming action of sun during the day (d) Release of absorbed air by warming of water

Last Answer : Ans:(a)

The tubular and dorsal nervous system of chordates is related to the cephalization in these animals and to bilateral symmetry. The presence of neural integrating centers with concentration of neurons in the brains and the spinal cord (central nervous system, CNS) allowed the increase of the interaction complexity between these animals and the environment. Receptor (afferent conduction) and efferent (motor, regulatory and behavioral reactions) functions come out more sophisticated in chordates due to the presence of more well-developed neural networks. These features have been preserved by evolution as they provide adaptive advantage to their owners.

Description : The tubular and dorsal nervous system of chordates is related to the cephalization in these animals and to bilateral symmetry. The presence of neural integrating centers with concentration of ... These features have been preserved by evolution as they provide adaptive advantage to their owners.

Last Answer : How can the tubular-dorsal nervous system in chordates be compared to the nervous pattern present in invertebrates?

Occurrence of endemic species in South America and Australia is due to (a) these species has been extinct from other regions (b) continental separation (c) there is no terrestrial route to these places (d) retrogressive evolution.

Description : Occurrence of endemic species in South America and Australia is due to (a) these species has been extinct from other regions (b) continental separation (c) there is no terrestrial route to these places (d) retrogressive evolution.

Last Answer : (b) continental separation

According to Darwin, the organic evolution is due to (a) competition within closely related species (b) reduced feeding efficiency in one species due to the presence of interfering species (c) intraspecific competition (d) interspecific competition.

Description : According to Darwin, the organic evolution is due to (a) competition within closely related species (b) reduced feeding efficiency in one species due to the presence of interfering species (c) intraspecific competition (d) interspecific competition.

Last Answer : (c) intraspecific competition

The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of (a) analogous organs that have evolved due to convergent evolution (b) analogous organs that have evolved due to divergent evolution (c) homologous organs that have evolved due to convergent evolution (d) homologous organs that have evolved due to divergent evolution.

Description : The eye of octopus and eye of cat show different patterns of structure, yet they perform similar function. This is an example of (a) analogous organs that have evolved due to convergent ... evolved due to convergent evolution (d) homologous organs that have evolved due to divergent evolution.

Last Answer : (a) analogous organs that have evolved due to convergent evolution

Software Configuration Management is the discipline for systematically controlling (A) the changes due to the evolution of work products as the project proceeds. (B) the changes due to defects (bugs) being found and then fixed. (C) the changes due to requirement changes (D) all of the above

Description : Software Configuration Management is the discipline for systematically controlling (A) the changes due to the evolution of work products as the project proceeds. (B) the changes due to defects (bugs) being found and then fixed. (C) the changes due to requirement changes (D) all of the above

Last Answer : (D) all of the above

When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain. -Science-7

Description : When baking soda is mixed with lemon juice, bubbles are formed with the evolution of a gas. What type of change is it? Explain. -Science-7

Last Answer : The reaction between baking soda and lemon juice can be given as below: Lemon juice + Baking soda ----- C02 (bubbles) + Other substances (Citric acid) (Sodium hydrogen carbonate) (Carbon dioxide) It is a chemical change, because in this change new substances are formed.

Compound A is chiral and has the molecular formula `C_(8)H_(11)N`. When A reacts nitrous acid then occurs a brisk evolution of `N_(2)` gas. A dissolve

Description : Compound A is chiral and has the molecular formula `C_(8)H_(11)N`. When A reacts nitrous acid then occurs a brisk evolution of `N_(2)` gas. A dissolve

Last Answer : Compound A is chiral and has the molecular formula `C_(8)H_(11)N`. When A reacts ... . 1-phenylethanamine C. 1-cyclohexylethanamine D. N-ethylaniline

Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in (A) Decreased solute solubility (B) Large minimum liquid to gas (L/G) ratio (C) Large number of trays(D) All (A), (B) and (C)

Description : Absorption (liquid-gas system) with evolution of heat as compared to isothermal absorption results in (A) Decreased solute solubility (B) Large minimum liquid to gas (L/G) ratio (C) Large number of trays (D) All (A), (B) and (C)

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

Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and gas evolved Y (a). X- Sulphuric acid and Y- Oxygen gas (b). X- Hydrochloric acid and Y- Oxygen gas (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas

Description : Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and ... (c). X- Sulphuric acid and Y- Hydrogen gas (d). X- Hydrochloric acid and Y- Hydrogen gas

Last Answer : (c). X- Sulphuric acid and Y- Hydrogen gas