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

1 Answer

Answer :

ANSWER: Z -- AN EMULSION

Related questions

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

Last Answer : ANSWER: W -- AN EMULSION

Description : Sodium chloride is an example of what kind of compound? w) ionic x) covalent y) polyatomic z) monatomic

Last Answer : ANSWER: W -- IONIC

Description : The characteristic bonds in nonmetal oxides are which of the following types? w) network x) covalent y) ionic z) coordinate covalent

Last Answer : ANSWER: X -- COVALENT

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

Description : Which of the following elements would form a covalent bond with Bromine? w) Calcium x) Aluminum y) Oxygen z) Tin

Last Answer : ANSWER: Y -- OXYGEN

Description : Which of the following has a multiple covalent bond? w) Bromine x) Hydrogen y) Oxygen z) Chlorine Monofluoride

Last Answer : ANSWER: Y -- OXYGEN 

Description : The bond most likely to be formed when two atoms differ SOMEWHAT in their tendency to attract electrons is: w) nonpolar ionic x) polar ionic y) polar covalent z) nonpolar covalent

Last Answer : ANSWER: Y -- POLAR COVALENT

Description : A bond in which there is an unequal attraction for the shared electrons and a resultant unbalanced distribution of charge is which one of the following types of bonds? w) ionic x) pure covalent y) nonpolar covalent z) polar covalent 

Last Answer : ANSWER: Z -- POLAR COVALENT 

Description : Which of the following is not a covalent network solid? w) silicon dioxide x) silicon oxide y) boron nitrate z) sodium oxide

Last Answer : ANSWER: D -- SODIUM OXIDE

Description : Which of the following compounds contains both io and covalent bonds? w) Calcium Chloride x) Carbon Dioxide y) Calcium Fluoride z) Calcium Sulfate

Last Answer : ANSWER: Z -- CALCIUM SULFATE

Description : Which class of solids could have London Forces the attractive forces between particles in crystal lattice positions? w) ionic x) covalent y) metallic z) molecular

Last Answer : ANSWER: Z -- MOLECULAR

Description : The type of crystal lattice exemplified in a diamo is: w) ionic crystal x) covalent network crystal y) metallic crystal z) covalent molecular crystal

Last Answer : ANSWER: X -- COVALENT NETWORK CRYSTAL

Description : Which of the following elements can form the great number of covalent bonds? w) carbon x) nitrogen y) oxygen z) sulfur 

Last Answer : ANSWER: Z -- SULFUR

Description : The atoms in sugar are bound by what type of bond? w) ionic x) hydrogen y) covalent z) van der Waals

Last Answer : ANSWER: Y -- COVALENT

Description : The bond in Fluorine is which of the following types? Is it w) ionic x) nonpolar covalent y) polar covalent z) covalent network

Last Answer : ANSWER: X -- NONPOLAR COVALENT

Description : The bond in hydrogen chloride is which of the following types? Is it w) ionic x) nonpolar covalent y) polar covalent z) covalent network

Last Answer : ANSWER: Y -- POLAR COVALENT 

Description : In which of the following compounds is the bonding most covalent? w) NaCl x) F2 y) MgS z) Fe3C

Last Answer : ANSWER: X -- F2

Description : Forces in ionic crystalline solids are primarily which of the following? w)covalent x)electrostatic y)Van der Waals z)magnetic

Last Answer : ANSWER: X -- ELECTROSTATIC

Description : If two atoms exert equal attractions for electrons, they can form: w) a nonpolar covalent bond x) an ionic bond y) a polar covalent bond z) no bond

Last Answer : ANSWER: W -- A NONPOLAR COVALENT BOND

Description : Invisible fat is present in (A) Milk (B) Coconut oil (C) Groundnut oil (D) Hydrogenated oils

Last Answer : Answer : A

Description : A healthy person eats the following diet-5 gm raw sugar, 4 gm albumin, 10 gm pure buffalo ghee adultrated with 2 gm vegetable ghee (hydrogenated vegetable oil) and 5 gm lignin. How many calories he is likely to get? (a) 126 (b) 164 (c) 112 (d) 144

Last Answer : (d) 144

Description : Oil is hydrogenated using nickel catalyst in a __________ reactor. (A) Batch (B) Slurry (C) Fluidised bed (D) Fixed bed

Last Answer : (B) Slurry

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

Description : During osmosis w) Pure solvent diffuses through a membrane but solutes do not. x) Pure solutes diffuse through a membrane but solvent does not. y) Pure solvent and a solution both diffuse at the same time through a membrane. z) Gases diffuse through a membrane into a solution and build up pressure. 

Last Answer : ANSWER: W -- PURE SOLVENT DIFFUSES THROUGH A MEMBRANE BUT SOLUTES DO NOT. 

Description : An aqueous solution is always a solution in which the: w) solute is water x) solute is a salt y) solvent is a salt z) solvent is water 

Last Answer : ANSWER: Z -- SOLVENT IS WATER

Description : A standardized base solution should be protected from which of the following gases? w) hydrogen x) carbon dioxide y) nitrogen z) argon

Last Answer : ANSWER: X -- CARBON DIOXIDE 

Description : Which of the following is a strong electrolyte in aqueous solution. w) ammonia x) coffee y) Gatorade z) corn syrup

Last Answer : ANSWER: Y -- GATORADE

Description : Which of the following properties is lower for a solution than for the pure solvent? w) osmotic pressure x) vapor pressure y) temperature z) boiling point

Last Answer : ANSWER: X -- VAPOR PRESSURE

Description : Which of the following properties is greater for a solution than for the pure solvent? w) freezing point x) vapor pressure y) temperature z) boiling point

Last Answer : ANSWER: D -- BOILING POINT

Description : Which of the properties listed below would you expect a solution to have if it is an acid? w) It feels slippery to the touch. x) It tastes bitter. y) It turns red litmus blue. z) It is a conductor of electricity.

Last Answer : ANSWER: Z -- IT IS A CONDUCTOR OF ELECTRICITY.

Description : Which of the following forms the weakest acid in aqueous solution? w) hydrogen fluoride x) hydrogen chloride y) hydrogen bromide z) hydrogen iodide

Last Answer : ANSWER: W -- HYDROGEN FLUORIDE

Description : In Celsius, the freezing point of a one-molal water solution of sodium phosphate, chemical formula Na3PO4, is expected to be: w) - 0.93 degrees Celsius x) - 1.86 degrees Celsius y) - 7.44 degrees Celsius z) - 3.72 degrees Celsius

Last Answer : ANSWER: C -- (- 7.44 DEGREES CELSIUS)

Description : A sample of grapefruit juice at 25 degrees Celsius has a hydronium concentration of 1.78 X 10-3 molar. What is the pH of the solution? w) 2.22 x) 2.75 y) 3.25 z) 6.33

Last Answer : ANSWER: X -- 2.75

Description : Ethylene diamine tetraacetoacetate (pron: te-tra-a-see-tow-AS-e-tate) (EDTW) is often used for which of the following: w) Determine hardness of water x) Measure the amount of zinc in a solution. y) A preservative in foods z) All of the above

Last Answer : ANSWER: Z -- ALL OF THE ABOVE 

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

Description : A cobalt chloride solution soaked into a piece of cotton can be used as an indicator for changes in humidity levels. Pink indicates a high-humidity environment and blue a low-humidity environment. What ... the cobalt's waters of hydration. z) This is an illustration of the Schrodinger principle.  

Last Answer : ANSWER: Y -- THE LOSS AND READSORPTION OF THE COBALT'S WATERS OF HYDRATION.

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

Description : One property a colloidal dispersion has that a solution does not is: w) homogeneity x) filterability y) the Tyndall effect z) osmotic pressure

Last Answer : ANSWER: Y -- THE TYNDALL EFFECT 

Description : Moles of solute divided by kilograms of solvent is expression for: w) molarity x) solute-to-solution ratio y) mole percentage z) molality

Last Answer : ANSWER: Z -- MOLALITY

Description : What is the molarity of a salt solution prepared b dissolving three moles of salt in 500 milliliters of water? w) 1 x) 2 y) 4 z) 6

Last Answer : ANSWER: Z -- 6

Description : What is the pH of an aqueous solution of 0.1 molar HCl? w) 7 x) 13 y) 1 z) 3

Last Answer : ANSWER: Y -- 1

Description : An aqueous solution whose concentration effectivel matches the concentration of blood is said to be: w) isotopic x) isobaric y) isotonic z) isoelectronic

Last Answer : ANSWER: Y -- ISOTONIC

Description : HCl is dissolved in solvent A; the solution is non-conducting towards an electric current. Solvent A must be: w) polar x) non-polar y) organic z) more acidic than HCl

Last Answer : ANSWER: X -- NON-POLAR

Description : A negative heat of solution indicates that: w) an endothermic dissolving process occurs x) solute solubility increases with rising solution temperature y) solute solubility decreases with rising solution temperature z) super-saturation conditions exist

Last Answer : ANSWER: Y -- SOLUTE SOLUBILITY DECREASES WITH RISING SOLUTION TEMPERATURE

Description : 2.5 liters of a sodium chloride (NaCl) solution contain 5 moles of the solute. What is the molarity? w) 5 molar x) 2 molar y) 2.5 molar z) 12.5 molar

Last Answer : ANSWER: X -- 2 MOLAR 

Description : The rate at which dissolution occurs is LEAST dependent upon which one of the following factors: w) temperature x) pressure y) solution concentration z) solute surface area

Last Answer : ANSWER: X -- PRESSURE

Description : Which of the following pairs of compounds could NOT be used to create a buffer solution? Would it be: w) HCL and NaCl (read: H - C - L and N - A - C - L) x) HCN and NaCN (read: H - C - N and N - A - C - N) y) NH3 ... - H - 4 - C - L) z) HNO2 and NaNO2 (read: H - N - O -2 and N - A - N - O - 2)

Last Answer : ANSWER: W -- HCL AND NaCl (read: H - C - L and N - A - C - L) 

Description : The hydrolysis of a fat using a solution of a strong hydroxide is called: w) neutralization x) esterification y) saponification z) condensation

Last Answer : ANSWER: Y -- SAPONIFICATION

Description : When an aldehyde is heated with Fehling's solution, the aldehyde undergoes one of the following processes. Does it undergo: w) neutralization x) oxidation y) reduction z) esterification

Last Answer : ANSWER: X -- OXIDATION

Description : In a flame test, the presence of copper in a solution is evident by what color flame? Is the flame w) red x) orange y) indigo z) blue-green

Last Answer : ANSWER: Z -- BLUE-GREEN