Description : DNA precipitation out of a mixture of biomolecules can be achieved by treatment with (a) chilled chloroform (b) isopropanol (c) chilled ethanol (d) methanol at room temperature.
Last Answer : (c) chilled ethanol
Description : Fugacity of a component in an ideal gas mixture is equal to the partial pressure of that component in the mixture. The fugacity of each component in a stable homogeneous solution at constant pressure and ... increases. (A) Decreases (B) Decreases exponentially (C) Increases (D) Remain constant
Last Answer : (C) Increases
Description : (1) a homogeneous mixture of two or more substances Explanation: A homogeneous mixture of two or more substances uniformly dispersed throughout a single phase is called solution. In such a mixture, a ... the solvent including its phase, and the solvent is commonly the major fraction of the mixture.
Last Answer : Choose the incorrect statement pertaining to organic compounds - (1) They have low melting and boiling points (2) They do not dissolve in water (3) They are not easily combustible (4) They contain mainly carbon and hydrogen
Description : A solution is (1) a homogeneous mixture of two or more substances (2) a solid dissolved in a liquid (3) a solid dissolved i water (4) a mixture of two liquids
Last Answer : a homogeneous mixture of two or more substances
Description : Which one of the folling is also khow as solution ? (1) A compound (2) A homogeneous mixture (3) A heterogeneous mixture (4) A suspension
Last Answer : A homogeneous mixture
Description : The alcohol with lowest molecular weight is: w) isopropanol x) propanol y) ethanol z) methanol
Last Answer : ANSWER: Z -- METHANOL
Description : Dehydrogenation of Isopropanol produces (A) Propyl alcohol (B) Acetone (C) Trichloroethylene (D) Formaldehyde
Last Answer : (B) Acetone
Description : Acetone is produced by catalytic dehydrogenation of (A) Phenol (B) Naphthalene (C) Isopropanol (D) Ethyl benzene
Last Answer : (C) Isopropanol
Description : Distinguish between homogeneous and heterogeneous mixture. -Chemistry
Last Answer : A homogeneous mixture has the same uniform appearance and composition throughout. Many homogeneous mixtures are commonly referred to as solutions. A heterogeneous mixture consists of visibly ... or phases. ... Particle size distinguishes homogeneous solutions from other heterogeneous mixtures.
Description : All gases form what type of mixture? w) dispersion x) colloidal y) homogeneous z) heterogeneous
Last Answer : ANSWER: Y -- HOMOGENEOUS
Description : Suggest the energy conservation techniques in following cases : (i) Motor is running with 70% loaded condition. (ii) Motor is continuously loaded at 50%. (iii) Motor runs with 30% loaded condition but sometimes rises to 50% loading condition. (iv) Motor runs continuously under no-load condition.
Last Answer : Following are the suggestion the energy conservation techniques in following cases : (i) Motor is running with 70% loaded condition: Use APFC or IPFC for better power factor improvement. Use ... If possible use low capacity motor for above condition. If possible switch off the motor.
Description : Mercury electrolytic cell produces 50-70% NaOH solution. Its operating temperature is __________ °C. (A) 25 (B) 60-70 (C) 150-200 (D) 250-300
Last Answer : (B) 60-70
Description : A business is able to reduce total cost by spreading fixed costs across a wider range of products. This is known as…. A. Economies of Scope B. The Experience Curve C. Economies of Capacity D. Economies of Scale
Last Answer : Economies of Scale
Description : A Mixture contain 88% of sulphur,another mixture contain 70% of sulphur.In order to get 84% of sulphur,in what ratio these two must be mixed. A) 2:7 B)7:2 C)7:4 D)4:5
Last Answer : B)7:2
Description : Critical solution temperature (or the con-solute temperature) for partially miscible liquids (e.g., phenol-water) is the minimum temperature at which (A) A homogeneous solution (say of phenol water) is ... a decreasing trend (C) Two liquids are completely separated into two layers (D) None of these
Last Answer : (A) A homogeneous solution (say of phenol water) is formed
Description : In a homogeneous solution, the activity co-efficient of a component depends upon the (A) Pressure (B) Composition (C) Temperature (D) All (A), (B) and (C)
Last Answer : (D) All (A), (B) and (C)
Description : In a homogeneous solution, the fugacity of a component depends upon the (A) Pressure (B) Composition (C) Temperature (D) All (A), (B) and (C)
Description : By what percentage do seatbelts reduce the risk of death for a person sitting in front seat? a) 40% b) 50% c) 60% d) 70%
Last Answer : b) 50%
Description : Classify the following mixtures as homogeneous and heterogeneous. (i)Tincture of iodine (iv)Sugar solution (ii)Smoke (iii)Brass -Chemistry
Last Answer : In the above classification, tincture of iodine, brass and sugar are homogenous mixture while the smoke is heterogeneous mixture. Tincture of iodine is a liquid solution, brass is an alloy made ... component. Smoke on other hand is composed of moisture and gas thus making the mixture heterogeneous.
Description : What is another name given to homogeneous mixture?
Last Answer : Another word may be uniformly.
Description : When homogeneous mixture in which one substance is dissolved in another substance is known as a?
Last Answer : Need answer
Description : Why is it easier to separate the parts of a heterogenous mixture that the parts of a homogeneous?
Description : Is a wedding cake a homogeneous mixture or a heterogeneous mixture?
Last Answer : Wedding cake is a heterogeneous mixture.
Description : Is titanium a element compound homogeneous mixture or a heterogeneous mixture?
Last Answer : Titanium is a chemical element.
Description : Is hot fudge sundae homogeneous or heterogeneous mixture?
Last Answer : This is a heterogeneous mixture.
Description : Is mustard homogeneous mixture?
Last Answer : Thid depends on the the type of mustard; a mustard with seeds is heterogeneous.
Description : Is water a compound or heterogeneous mixture or homogeneous mixture?
Last Answer : It is a homogenous mixture
Description : Is whipped cream Homogeneous or Heterogeneous mixture?
Last Answer : homogeneous mixture, colloid
Description : Is pencil lead a compound or an element or an homogeneous mixture or a heterogeneous mixture?
Last Answer : It is a homogeneous mixture.
Description : In a homogeneous mixture are particles spread evenly throughout the mixture?
Last Answer : no
Description : Are popcorn and seeds a homogeneous mixture?
Last Answer : I'm not sure I understand your question. Popcorn (before it'spopped) is seeds
Description : Is hydrobromic acid a compound element or a homogeneous mixture?
Last Answer : Hydrobromic acid is a homogeneous mixture of hydrogen bromideand water.
Description : Is a hotdog a homogeneous or a heterogenous mixture?
Last Answer : A hotdog is a heterogenous mixture.
Description : Is charcoal a heterogeneous or a homogeneous mixture?
Last Answer : If the charcoal is pure carbon it is homogeneous.
Description : Is dusted air a homogeneous or a heterogeneous mixture?
Last Answer : Feel Free to Answer
Description : What is acetylene compound heterogeneous mixture homogeneous mixture?
Description : What is magnesium compound heterogeneous mixture homogeneous mixture?
Last Answer : A chemical compound is considered as homogeneous.
Description : What is A homogeneous mixture of two or more substances that cannot be separated?
Description : Is the mixture of iron filings homogeneous or heterogeneous?
Description : Is sucrose an element compound homogeneous mixture or heterogeneous mixture?
Last Answer : What is the answer ?
Description : Is manganese a homogeneous mixture?
Last Answer : Manganese is a chemical element, not a mixture.
Description : Is barium an element or a compound or a homogeneous mixture or a heterogeneous mixture?
Description : Is acetone an element or a compound or a homogeneous mixture or a heterogeneous mixture?
Description : Is sugar an element or a compound or a homogeneous mixture or a heterogeneous mixture?
Last Answer : compound