Description : A fractionating column is a glass apparatus used to (a) Separate magnetic solids from nonmagnetic solids (b) Separate a mixture in water (c) Separate two or more liquids (d) Extract oils from vegetable matter
Last Answer : Ans:(c)
Description : Coulomb friction is a.Friction between solids and liquids b.Friction between electrically charged bodies c.Friction between lubricated surface d.Friction between dry surfaces e.Friction between bodies having relative motion
Last Answer : d. Friction between dry surfaces
Description : What connections do you have between the reading and your Mixing Solids and Liquids investigation?
Last Answer : well reading is more diffrent then sold and liquid
Description : What is the speed of particles in liquids compared to solids ?
Last Answer : Liquid particles have a higher velocity than solids.
Description : What seismic waves can travel through solids and liquids?
Last Answer : What is the answer ?
Description : What can liquids and gases do that solids can not?
Last Answer : Need answer
Description : What is a solution A. a solid dissolved in a gas B. a solute and a solvent C. a liquid dissolved in a gas D. an amalgam of solids, liquids, and gases?
Last Answer : B. A solute and a solvent
Description : Speed of sound is greater in solids than in liquids?
Last Answer : – Because the solids have high elasticity
Description : The process by which fine solids is removed from liquids is termed as (A) Decantation (B) Flocculation (C) Sedimentation (D) Classification
Last Answer : (C) Sedimentation
Description : __________ are mixed using ribbon blenders. (A) Lumpy solids and low viscosity liquids (B) Dry powders (C) High viscosity liquids (D) Thick pastes
Last Answer : (B) Dry powders
Description : Cyclones are used primarily for separating (A) Solids (B) Solids from fluids (C) Liquids (D) Solids from solids
Last Answer : (B) Solids from fluids
Description : Which of the following is generally considered as opaque surface towards radiations? (A) Gases (B) Solids (C) Liquids (D) Both (B) and (C)
Last Answer : (D) Both (B) and (C)
Description : Hydrometer measures the specific gravity of liquids based on the principles of buoyancy. Pycnometer is used to measure the specific gravity of (A) Powder & granular solids (B) Liquids (C) Low melting point semi-solids (D) All 'a', 'b' & 'c
Last Answer : (D) All 'a', 'b' & 'c
Description : Diaphragm pumps are used to transport (A) Solids (B) Liquids (C) Fluids (D) Slurries
Last Answer : (D) Slurries
Description : Particulate' air pollutants are finely divided solids and liquids. Which of the following is not a ‘particulate’? (A) Dust & mists (B) Smoke & fumes (C) Photochemical smog & soot (D) None of these
Last Answer : (D) None of these
Description : Which of the following statements is not true about triacylglycerols? (a) When solids and semisolids at room temperature, they are called fats. (b) When liquids at room temperature, they are ... low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature
Last Answer : Triacylglycerols with low melting points are composed of saturated fatty acids, causing them to be liquids at room temperature
Description : Which statement is false? (a) Many alkanes are soluble in water. (b) All alkanes have a lower density than water. (c) At room temperature some alkanes are liquids, some solids, some gases. (d) All alkanes burn
Last Answer : Many alkanes are soluble in water
Description : What is the advantage of flash pasteurization? a. It Doesn't Get As Hot b. It Is Faster c. It Is Also Used For Solids, Not Just Liquids d. It Also Sterilizes The Liquid
Last Answer : b. It Is Faster
Description : Why do gases expand faster than liquids and solids?
Last Answer : Because the particles of gases are widely disturbed i.e. their particles are far apart from each other and they free to move. Other
Description : Coulomb friction is the friction between (A) Bodies having relative motion (B) Two dry surfaces (C) Two lubricated surfaces (D) Solids and liquids
Last Answer : (A) Bodies having relative motion
Description : In reactions involving solids and liquids (where change in volume is negligible), the heat of reaction at constant pressure as compared to that at constant volume is (A) More (B) Less (C) Same (D) Unpredictable; depends on the particular reaction
Last Answer : (C) Same
Description : Kopp's rule is used to calculate the heat capacity of (A) Solids (B) Liquids (C) Gases (D) All (A), (B) & (C)
Last Answer : (A) Solids
Description : Halitosis and a sour taste in the mouth are signs and symptoms associated most directly with a) esophageal diverticula. Because the diverticula may retain decomposed food, halitosis and a sour ... as heartburn, regurgitation, and dysphagia in many patients while at least 50% are asymptomatic.
Last Answer : a) esophageal diverticula. Because the diverticula may retain decomposed food, halitosis and a sour taste in the mouth are frequent complaints.
Description : Hydrometer is used to determine (A) Specific gravity of liquids (B) Specific gravity of solids (C) Specific gravity of gases (D) Relative humidity
Last Answer : Answer: Option A
Description : Which of the following have the highest thermal conductivities? a. liquids b. gases c. metals d. solids other than metals
Last Answer : metals
Description : Solids and liquids have (a) one value of specific heat (ft) two values of specific heat (c) three values of specific heat (d) no value of specific heat (e) one value under some conditions and two values under other conditions.
Last Answer : Answer : a
Description : If a force greater than that of gravity is used to separate solids & fluidsof different densities, the process is termed as the (A) Sedimentation (B) Flocculation (C) Dispersion (D) Centrifugation
Last Answer : (D) Centrifugation
Description : Benzoic acid and diphenyl ketone are both solids insoluble in water. A mixture of these compounds can be separated if we (a) add the mixture to a solution of NaOH in water, and filter. (b) add ... benzene. (d) It is impossible to separate a mixture of two solids when both are insoluble in water.
Last Answer : add the mixture to a solution of NaOH in water, and filter
Description : How could you use a difference in melting points (freezing points) to separate a solution of two liquids?
Last Answer : freeze one liquid while the other one is still liquidized.
Description : Distillation can be used to separate solutions of miscible liquids because ?
Last Answer : Distillation works because liquids boil at different temperatures. Roughly speaking, in order to separate two liquids, you should heat the mixture to a temperature where one of the liquids (but not the ... boil off, leaving the second liquid behind; you can collect the first liquid in a condenser.
Description : How will you separate two immiscible liquids in pharmacy? Draw a libelled sketch of the apparatus used in laboratory.
Last Answer : :Steam Distillation( immiscible liquids): In pair of immiscible liquids , each liquid exerts its own vapour pressure & neither liquid has any appreciable effect on the vapour pressure ... are not decomposed by water , this provides an alternative to distillation under reduced pressure