Gels and Foams are classified as: w) solutions x) emulsions y) colloids z) suspensions

Gels and Foams are classified as: w) solutions x) emulsions y) colloids z) suspensions
by

1 Answer

Answer :

ANSWER: C -- COLLOIDS
by

Related questions

Ionic substances dissolve in water to form: w) highly acid solutions x) electrolytic solutions y) colloids z) emulsions

Description : Ionic substances dissolve in water to form: w) highly acid solutions x) electrolytic solutions y) colloids z) emulsions

Last Answer : ANSWER: X -- ELECTROLYTIC SOLUTIONS

Amphoteric substances: w) act as either bases or acids x) precipatate from aqueous solutions y) salt out of basic solutions z) form emulsions in oils

Description : Amphoteric substances: w) act as either bases or acids x) precipatate from aqueous solutions y) salt out of basic solutions z) form emulsions in oils

Last Answer : ANSWER: W -- ACT AS EITHER BASES OR ACIDS

Colloids (a) Are true solutions (b) Are suspensions of one phase in another (c) Are two-phase systems (d) Contain only water soluble substances

Description : Colloids (a) Are true solutions (b) Are suspensions of one phase in another (c) Are two-phase systems (d) Contain only water soluble substances

Last Answer : Ans:(c)

Name the effect that is caused by scattering of light in colloids or suspensions.

Description : Name the effect that is caused by scattering of light in colloids or suspensions.

Last Answer : ANSWER: TYNDALL EFFECT

The difference in the osmotic pressures of one molar solutions of different compounds in a given solvent at a given temperature results from? w) Different values for R x) Different values for Avogadro's number y) Ionization or dissociation z) None of the above

Description : The difference in the osmotic pressures of one molar solutions of different compounds in a given solvent at a given temperature results from? w) Different values for R x) Different values for Avogadro's number y) Ionization or dissociation z) None of the above

Last Answer : ANSWER: Y -- IONIZATION OR DISSOCIATION 

Buffer solutions show which one of the following traits: w) absorb acid and base with only small changes in pH x) indefinite stability y) high elasticity z) abnormal density

Description : Buffer solutions show which one of the following traits: w) absorb acid and base with only small changes in pH x) indefinite stability y) high elasticity z) abnormal density

Last Answer : ANSWER: W -- ABSORB ACID AND BASE WITH ONLY SMALL CHANGES IN pH

pH is defined as the negative logarithm of the hydrogen ion concentration. Comparing a pH 5 and a pH 8 solution, which of the following is true? w) There are 1,000 times more hydrogen ions in the pH 8 solution. x) There are 1,000 times more hydrogen ions in the pH 5 solution. y) There are 3 times more hydrogen ions in the pH 8 solution. z) Cannot tell the difference between these two solutions by pH, since the numbers are so close.

Description : pH is defined as the negative logarithm of the hydrogen ion concentration. Comparing a pH 5 and a pH 8 solution, which of the following is true? w) There are 1,000 times more hydrogen ions in ... . z) Cannot tell the difference between these two solutions by pH, since the numbers are so close.

Last Answer : ANSWER: X -- THERE ARE 1,000 TIMES MORE HYDROGEN IONS IN THE PH 5 SOLUTION

Which of the following aqueous solutions would hav the lowest boiling point? Would it be a 1.0 molal solution of: w) Hydrochloric acid x) Sodium Hydroxide y) Acetic Acid, z) Magnesium Chloride

Description : Which of the following aqueous solutions would hav the lowest boiling point? Would it be a 1.0 molal solution of: w) Hydrochloric acid x) Sodium Hydroxide y) Acetic Acid, z) Magnesium Chloride

Last Answer : ANSWER: Y -- ACETIC ACID

Members of which of the following classes of compounds generally produce acidic solutions when dissolved in water? w) metal oxides x) nonmetal oxides y) alcohols z) aldehydes

Description : Members of which of the following classes of compounds generally produce acidic solutions when dissolved in water? w) metal oxides x) nonmetal oxides y) alcohols z) aldehydes

Last Answer : ANSWER: X -- NONMETAL OXIDES

The theory of interionic attraction attributed to Debye and Hückel: w) was disproved by Arrhenius x) accounts quantitatively for the attraction between ions in dilute aqueous solutions y) does not account for kindered "ion-activity" z) accounts for intra-molecular polar bonds

Description : The theory of interionic attraction attributed to Debye and Hückel: w) was disproved by Arrhenius x) accounts quantitatively for the attraction between ions in dilute aqueous solutions y) does not account for kindered "ion-activity" z) accounts for intra-molecular polar bonds

Last Answer : ANSWER: X -- ACCOUNTS QUANTITATIVELY FOR THE ATTRACTION BETWEEN IONS IN DILUTE AQUEOUS SOLUTIONS

Which of the following is NOT a general property of hydroxide bases in aqueous solution? w) High solubility x) Bitter taste y) Ability to neutralize aqueous acid solutions z) Ability to change phenolphthalein from colorless to red

Description : Which of the following is NOT a general property of hydroxide bases in aqueous solution? w) High solubility x) Bitter taste y) Ability to neutralize aqueous acid solutions z) Ability to change phenolphthalein from colorless to red

Last Answer : ANSWER: W -- HIGH SOLUBILITY (The hydroxides of the alkali metals are soluble in water but all the other metal hydroxides are only moderately or sparingly soluble.)

Mineral acids are also classified as: w) carboxyl acids x) inorganic acids y) non-electrolytic acids z) oxidation acids

Description : Mineral acids are also classified as: w) carboxyl acids x) inorganic acids y) non-electrolytic acids z) oxidation acids

Last Answer : ANSWER: X -- INORGANIC ACIDS

Which of the following substances is classified as amorphous? w) glass x) Zinc y) diamond z) sodium chloride

Description : Which of the following substances is classified as amorphous? w) glass x) Zinc y) diamond z) sodium chloride

Last Answer : ANSWER: W -- GLASS

A compound which is an electron pair donor is generally classified as a: w) Lewis acid x) Bronsted base y) Bronsted acid z) Lewis base

Description : A compound which is an electron pair donor is generally classified as a: w) Lewis acid x) Bronsted base y) Bronsted acid z) Lewis base

Last Answer :  ANSWER: Z -- LEWIS BASE 

A substance that accepts an electron pair is classified as a: w) bronsted-lowry acid x) bronsted-lowry base y) lewis acid z) lewis base

Description : A substance that accepts an electron pair is classified as a: w) bronsted-lowry acid x) bronsted-lowry base y) lewis acid z) lewis base

Last Answer : ANSWER: Y -- LEWIS ACID

Which one of the following is classified as a covalent network solid crystal? w) CaO x) SiO2 y) CO2 z) Pb

Description : Which one of the following is classified as a covalent network solid crystal? w) CaO x) SiO2 y) CO2 z) Pb

Last Answer : ANSWER: B -- SiO2

Sucrose, ordinary table sugar, may be classified as a: w) Monosaccharide x) Disaccharide y) Polysaccharide z) Oligosaccharide

Description : Sucrose, ordinary table sugar, may be classified as a: w) Monosaccharide x) Disaccharide y) Polysaccharide z) Oligosaccharide

Last Answer : ANSWER: X -- DISACCHARIDE 

How is memory foam's ability to remember your body a good thing?

Description : How is memory foam's ability to remember your body a good thing?

Last Answer : Memory foam doesn’t remember your butt print, it remembers what shape it was before and goes back to it when you stand up.

An electron is classified as a: w) boson x) nucleon y) fermion z) meson

Description : An electron is classified as a: w) boson x) nucleon y) fermion z) meson

Last Answer : ANSWER: Y -- FERMION

Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? w) fluorocarbons x) smog y) acid rain z) ozone

Description : Certain substances are classified as water pollutants, others as air pollutants and still others as land pollutants. Which of the following pollutes all three parts of our environment? w) fluorocarbons x) smog y) acid rain z) ozone

Last Answer : ANSWER: Y -- ACID RAIN

Any gels for curly hair suggestions? need a gel that can hold my curls?

Description : Any gels for curly hair suggestions? need a gel that can hold my curls?

Last Answer : Now we have a lot. There is Eco Style Olive Oil and Argan Oil etc, DevaCurl Ultra Defining Gel, Pattern Curl Gel, The Mane Choice Ancient Egyptian 24 Karat Gold Twisting Gel, Aunt Jackie's ... Sculpting Hair Gel. Some of these curl gels are available on Amazon or any cosmetic shop around you.

Can you put energy gels in water?

Description : Can you put energy gels in water?

Last Answer : Need answer

What are the best energy gels on the market?

Description : What are the best energy gels on the market?

Last Answer : Red bull along with 5 hour energy drink are the best there is they have no competition except nos but you can put your money there and you know it is in safe hands very trusted companies

Which is not the correct matching of emulsions :

Description : Which is not the correct matching of emulsions :

Last Answer : Which is not the correct matching of emulsions : A. Milk : O/W B. Cold cream : W/O C. Butter : O/W D. Vanishing cream : O/W

Explain the term emulsions and types of emulsions.

Description : Explain the term emulsions and types of emulsions.

Last Answer : Explain the term emulsions and types of emulsions.

Alloys in which mercury is one of the metals are called (a) Amalgams (b) Emulsions (c) Mixtures (d) Solders

Description : Alloys in which mercury is one of the metals are called (a) Amalgams (b) Emulsions (c) Mixtures (d) Solders

Last Answer : Ans:(a)

Cocentric springs are used in (A) Heavy duty diesel engines (B) aircraft engines (C) railroad suspensions (D) all of the above

Description : Cocentric springs are used in (A) Heavy duty diesel engines (B) aircraft engines (C) railroad suspensions (D) all of the above

Last Answer : (D) all of the above

Multi leaf springs are not recommended for automobile and rail road suspensions. a) True b) False

Description : Multi leaf springs are not recommended for automobile and rail road suspensions. a) True b) False

Last Answer : b) False

Tall oil obtained as a by-product from the black liquor recovery is (A) A black, sticky & viscous liquid (B) Used in the manufacture of greases, emulsions & soaps (C) Composed mainly of rosin & fatty acids (D) All (A), (B) & (C)

Description : Tall oil obtained as a by-product from the black liquor recovery is (A) A black, sticky & viscous liquid (B) Used in the manufacture of greases, emulsions & soaps (C) Composed mainly of rosin & fatty acids (D) All (A), (B) & (C)

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

Drugs in suspensions and semi-solid formulations always degrade by (A) first order kinetics (B)second order kinetics (C) zero order kinetics (D) non-linear kinetics

Description : Drugs in suspensions and semi-solid formulations always degrade by (A) first order kinetics (B)second order kinetics (C) zero order kinetics (D) non-linear kinetics

Last Answer : (C) zero order kinetics

What is natural frequency of driver sheet suspensions a)0.5-1.5 Hz b)1.5-4.0 Hz c)4.0-6.0 Hz d)4.0-10 Hz

Description : What is natural frequency of driver sheet suspensions a)0.5-1.5 Hz b)1.5-4.0 Hz c)4.0-6.0 Hz d)4.0-10 Hz

Last Answer : a)0.5-1.5 Hz

Three pipes P, Q and R can fill a tank from empty to full in 40 minutes, 15 minutes, and 30 minutes respectively. When the tank is empty, all the three pipes are opened. P, Q and R discharge chemical solutions X, Y and Z respectively. What is the proportion of the solution Y in the liquid in the tank after 5 minutes? a) 8 / 15 b) 7 / 15 c) 8 / 17 d) 6 / 13 e) 8 / 13

Description : Three pipes P, Q and R can fill a tank from empty to full in 40 minutes, 15 minutes, and 30 minutes respectively. When the tank is empty, all the three pipes are opened. P, Q and R discharge chemical solutions X, Y and Z respectively. ... 5 minutes? a) 8 / 15 b) 7 / 15 c) 8 / 17 d) 6 / 13 e) 8 / 13

Last Answer : a Part of the tank filled by pipe P in 1 minute = 1 / 40 Part of the tank filled by pipe Q in 1 minute = 1 / 15 Part of the tank filled by pipe R in 1 minute = 1/ 30 Here we have to find the proportion of ... together in 5 minute = 5 1/8 = 5/ 8 Required proportion = (1/3) / ( 5/8) = 8 / 15

How many solutions are there for the equation x+y+z+u=29 subject to the constraints that x≥1, y≥2, z≥3 and u≥0? (A) 4960 (B) 2600 (C) 23751 (D) 8855

Description : How many solutions are there for the equation x+y+z+u=29 subject to the constraints that x≥1, y≥2, z≥3 and u≥0? (A) 4960 (B) 2600 (C) 23751 (D) 8855

Last Answer : (B) 2600

The atomic masses of three elements X, Y and Z having similar chemical properties are 7, 23 and 39 respectively. a) Calculate the average atomic mass of elements X and Z. b) How is the average atomic mass of elements X and Z compare with the atomic mass of element Y? c) Which law of classification of elements is illustrated by this example? d) Give another example of a set of elements which are classified according to this law.

Description : The atomic masses of three elements X, Y and Z having similar chemical properties are 7, 23 and 39 respectively. a) Calculate the average atomic mass of elements X and Z. b) How is the ... this example? d) Give another example of a set of elements which are classified according to this law.

Last Answer : a) The average atomic mass of X and Z = 7 39 2 46 2 23 b) The average atomic mass of X and Z is equal to the atomic mass of Y c) The law illustrated in this example is Dobereiner’s law of triads. d) Another example of Dobereiner’s law is Calcium, Strontium and Barium.

Associated Colloids

Description : Associated Colloids

Last Answer : Associated Colloids :Those colloids which behave as strong electrolyte at low concentration but at high concentration behave like colloids due to formation of aggregated particle of colloidal dimensions. For eg. Micelles are associated colloids.

Macromolecular colloids

Description : Macromolecular colloids

Last Answer : Macromolecular colloids : A colloid in which the size of dispersed particles are in a colloidal range. Such dispersed phase in dispersion medium is called Macromolecular colloids. For Eg. Proteins, Starch and Cellulose form macromolecular colloids.

Multimolecular Colloids

Description : Multimolecular Colloids

Last Answer : Multimolecular Colloids: A colloid in which large no. of atoms or smaller molecules aggregate together to form species having size in colloidal range for eg. A sulphur sol consists of particles containing about a thousand of S8 molecule.

Lyophobic Colloids

Description : Lyophobic Colloids

Last Answer : Lyophobic Colloids :- Those colloids which are solvent hating. It is irreversible Sols.

Lyophilic Colloids

Description : Lyophilic Colloids

Last Answer : Lyophilic Colloids : Those colloids which are solvents loving or attracting they are reversible Sols.

Colloids or Colloidal Solution

Description : Colloids or Colloidal Solution

Last Answer : Colloids or Colloidal Solution : A heterogeneous solution in which dispersed phase mixed in dispersion medium.

How are solutions classified according to their comparative tonicity ?

Description : How are solutions classified according to their comparative tonicity ?

Last Answer : Comparatively to other a solution can be hypotonic (or hyposmotic), isotonic (or isosmotic) or hypertonic (or hyperosmotic). When a solution is less concentrated than other the adjective hypotonic ... the adjective isotonic. So this classification makes sense only for comparison of solutions.

Which of the following best completes the statement: The calorie is the amount of heat needed to raise: w) 1 gram of water 1 degree Celsius x) 1 gram of water 1 degree Rankin y) 1 kilogram of water 1 degree Celsius z) 1 kilogram of water 1 degree Kelvin

Description : Which of the following best completes the statement: The calorie is the amount of heat needed to raise: w) 1 gram of water 1 degree Celsius x) 1 gram of water 1 degree Rankin y) 1 kilogram of water 1 degree Celsius z) 1 kilogram of water 1 degree Kelvin

Last Answer : ANSWER: W -- 1 GRAM OF WATER 1 DEGREE CELSIUS

Which of the following substances is a molecular solid? w) Glass x) Ice y) Silver z) Table Salt

Description : Which of the following substances is a molecular solid? w) Glass x) Ice y) Silver z) Table Salt

Last Answer : ANSWER: X -- ICE

Mayonnaise is: w) an emulsion x) a hydrogenated oil y) a covalent solution z) a coalescent solution

Description : Mayonnaise is: w) an emulsion x) a hydrogenated oil y) a covalent solution z) a coalescent solution

Last Answer : ANSWER: W -- AN EMULSION

How many carbon atoms are there in one naphthalene molecule? w) 6 x) 8 y) 10 z) 15

Description : How many carbon atoms are there in one naphthalene molecule? w) 6 x) 8 y) 10 z) 15

Last Answer : ANSWER: Y -- 10

Which of the following gases is more soluble in water as the water temperature increases? w) Helium x) Air y) Carbon dioxide z) Hydrogen

Description : Which of the following gases is more soluble in water as the water temperature increases? w) Helium x) Air y) Carbon dioxide z) Hydrogen

Last Answer : ANSWER: W -- HELIUM

The compound which would have the greatest molar effect on the colligative properties of a dilute solution would be: w) CaCl2 x) NaCl y) C6H12O6 z) Benzene

Description : The compound which would have the greatest molar effect on the colligative properties of a dilute solution would be: w) CaCl2 x) NaCl y) C6H12O6 z) Benzene

Last Answer : ANSWER: W -- CaCl2

Based on the intermolecular forces involved, which of the following molecules will have the lowest boiling point? w) ethane x) methyl alcohol y) methyl amine z) methyl fluoride

Description : Based on the intermolecular forces involved, which of the following molecules will have the lowest boiling point? w) ethane x) methyl alcohol y) methyl amine z) methyl fluoride

Last Answer : ANSWER: W -- ethane

Calcium carbonate is most soluble in: w) 0.2 Molar Sodium carbonate x) 0.1 Molar Calcium chloride y) 0.1 Molar Sodium hydroxide z) 0.1 Molar Hydrochloric acid

Description : Calcium carbonate is most soluble in: w) 0.2 Molar Sodium carbonate x) 0.1 Molar Calcium chloride y) 0.1 Molar Sodium hydroxide z) 0.1 Molar Hydrochloric acid

Last Answer : ANSWER: Z -- 0.1 MOLAR HYDROCHLORIC ACID

What is the purpose of the salt bridge in an electrochemical cell? w) It allows ion migration. x) It allows electron flow. y) It prevents ion migration. z) It prevents electron flow.

Description : What is the purpose of the salt bridge in an electrochemical cell? w) It allows ion migration. x) It allows electron flow. y) It prevents ion migration. z) It prevents electron flow.

Last Answer : ANSWER: W -- IT ALLOWS ION MIGRATION