Description : `Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately treated with `AgNO_(3)` solution. In how many cases white precipitate is/
Last Answer : `Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately ... solution. In how many cases white precipitate is/are obtained.
Description : Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with `AgNO_(3)` solution and if the precipitate is hea
Last Answer : Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with ... I is not correct and Statement-II is correct
Description : Which of the following low molecular weight (
Last Answer : (B) Polyvinyl acetate
Description : Pick out the correct statement. (A) Plastics are good conductors of heat and electricity (B) All the polymers are highly crystalline in nature (C) Polymers can be vaporised by heating to ... D) The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation
Last Answer : (D) The liquid polymer becomes greasy, then waxy and finally solid on increasing the degree of polymerisation
Description : Eposure to mixtures of chemicals are greater than expected on the basis of effects of expo-sure to each chemical individually. This is known as – (1) Additives (2) Antagonism (3) Synergism (4) Independent
Last Answer : (3) Synergism Explanation: When the toxic effect of the mixture is greater than that expected for the sum of individual constituent doses, which is that effects of combined doses are more- ... less than that expected under the dose additivity assumption, the interactions are said to be antagonistic.
Description : Exposure to mixtures of chemicals are greater than expected on the basis of effects of exposure to each chemical individually. This is known as (1) Additives (2) Antagonism (3) Synergism (4) Independent
Last Answer : Synergism
Description : 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
Last Answer : They are not easily combustible
Description : When drinking carbonated drinks, do you pour it out into a cup to remove excess fizz?
Last Answer : What heathens do this
Description : During the process of isolation of DNA, chilled ethanol is added to (a) precipitate DNA (b) break open the cell to release DNA (c) facilitate action of restriction enzymes (d) remove proteins such as histones.
Last Answer : a) precipitate DNA
Description : Why does hair feel waxy after a hair dye?
Last Answer : Did you rinse it out?
Description : What is that yellow-orange, waxy substance that I find on my car's paint all the time, in the form of neat little spots?
Last Answer : This seems to have been asked on various other sites in the last 2 years or so, i have no clue what it could be but here a link from one of them . Shame its askville maybe you ... SimilarQuestions.do?req=rusty-water-spots-car-paint. Runs and washes brain in bleach to remove askville from my memory
Description : The waxy substance associated with cell walls of cork cells is or cork cells are imprevious to water becauce of the presence or what is deposited on c
Last Answer : The waxy substance associated with cell walls of cork cells is or cork cells are imprevious to water ... . Cutin B. Lignin C. suberin D. Chitin
Description : Which of the following statement is correct? (i) Sweat is waxy protective secretion having sterols, hydrocarbons and fatty acids (ii) Sebum is an aque
Last Answer : Which of the following statement is correct? (i) Sweat is waxy protective secretion having sterols, hydrocarbons and ... i C. i and ii D. i and iii
Description : The phylum Cyanobacteria are unique because they _____. a. convert nitrogen to a useable form b. are poisonous c. photosynthesize d. have a waxy cell wall
Last Answer : c. photosynthesize
Description : The nurse reading the physician's report of an elderly patient's physical examination knows a notation that the patient demonstrates xanthelasma refers to a) yellowish waxy deposits on upper eyelids. The change is ... red moles. Cherry angioma is the term that is used to describe a bright red mole.
Last Answer : a) yellowish waxy deposits on upper eyelids. The change is a common, benign manifestation of aging skin or it can sometimes signal hyperlipidemia.
Description : Let a tin capillary tube be replaced with another tube of insufficient length then we find that water (a) Will overflow (b) Will not rise (c) Depress (d) Changes its meniscus
Last Answer : Ans:(b)
Description : Mu opioids have which of the following effects on respiratory rate: a) Stimulation, then depression Mu opioids also cause bradycardia, hypothermia, and constipation. b) No change Kappa opioids result ... nor kappa, nor delta opoids depress respiratory rate as its only effect upon respiratory rate.
Last Answer : a) Stimulation, then depression Mu opioids also cause bradycardia, hypothermia, and constipation.
Description : Vincristine differs from vinblastine in the following respect(s): A. Its prominent adverse effect is neuropathy B. It frequently produces alopecia C. It does not significantly depress bone marrow D. All of the above
Last Answer : D. All of the above
Description : What does it feel like to not have a unique name? Does it depress you?
Last Answer : Why would anyone be depressed by something so mundane & out of their control? I have a really common (popular) name, another Wilson over here & well…it is what it is
Description : Do black appliances depress you?
Last Answer : Glossy black items actually show more fingerprints and dirt. I don’t own them at present, but I have in the past. My mood is not set by the appearance of appliances.
Description : Etymological question - why do words like debar and bar and depress and press mean the same things?
Last Answer : Good question. It happens a lot in English. There are also flammable and inflammable.
Description : when you fully depress a brake pedal of a vehicle with abs, you will feel -General Knowledge
Last Answer : When you fully depress a brake pedal of a vehicle with ABS you will feel: a pulse.
Description : Inhaled ipratropium bromide has the following advantages except: A. It does not alter respiratory secretions B. It does not depress airway mucociliary clearance C. It has faster onset of bronchodilator action than inhaled salbutamol D. It only rarely produces systemic side effects
Last Answer : C. It has faster onset of bronchodilator action than inhaled salbutamol
Description : Clay treatment is used to remove (A) Salt from the crude oil (B) Colour & dissolved gases from cracked gasoline (C) Wax from lube oil (D) None of these
Last Answer : (C) Wax from lube oi
Description : Reid vapour pressure of gasoline is the measure of its (A) Pour point (B) Cloud point (C) Vapour locking tendency (D) Carbon residue
Last Answer : (C) Vapour locking tendency
Description : Fuel oil is subjected to visbreaking to reduce its (A) Pour point (B) Viscosity (C) Pressure drop on pumping (D) All (A), (B) and (C
Last Answer : (D) All (A), (B) and (C
Description : Phenols are added in gasoline to (A) Improve the octane number (B) Act as an antioxidant (C) Reduce its viscosity (D) Increase its pour point
Last Answer : (B) Act as an antioxidant
Description : Tetra-ethyl lead is added in gasoline to (A) Increase its smoke point (B) Reduce gum formation (C) Reduce the pour point (D) Increase its octane numbe
Last Answer : (D) Increase its octane numbe
Description : Pour point and freezing point is equal for (A) Petrol (B) Diesel (C) Water (D) Crude petroleum
Last Answer : (C) Water
Description : A good lubricant should have high (A) Viscosity index (B) Volatility (C) Pour point (D) None of these
Last Answer : (A) Viscosity index
Description : Which of the following is the most important property for a jet fuel? (A) Cloud point (B) Pour point (C) Colour (D) Freezing point
Last Answer : (D) Freezing point
Description : Presence of predominantly large quantity of aromatics (polynuclear) is not desirable in aviation fuel, because it has (A) High pour point and low smoke point (B) Low viscosity index (C) High self-ignition temperature (D) All (A), (B) and (C)
Last Answer : (B) Low viscosity index
Description : Paraffins are desirable in lubricating oil, as it has got high (A) Viscosity (B) Viscosity index (C) Smoke point (D) Pour poin
Last Answer : (C) Smoke point
Description : Pour point of a petrofuel is (A) Multiple of 3°F (B) Multiple of 5°F (C) 5°C below the temperature at which oil ceases to flow (D) None of these
Last Answer : (C) 5°C below the temperature at which oil ceases to flow
Description : Pick out the correct combination about the role of various additives used in polymers. (A) Plasticiser: increases the polymer strength (B) Heat stabiliser: increases the maximum service ... property of polymer but increases its weight (D) Lubricants: increases the flexibility of polymers
Last Answer : Option C
Description : Write the chemical equation of the reaction in which the following changes have taken place with an example of each: (i) Change in colour (ii) Change in temperature (iii) Formation of precipitate -Chemistry
Last Answer : (i)Cu (s) + 2AgNO3 (aq)———–> Cu(NO3)2(aq) + 2Ag The solution will become blue in colour and shiny silver metal will be deposited. (ii) NaOH + HCl ——&mdash ... )———–> Pbl2 (s) + 2KNO3 (aq) Yellow ppt Yellow precipitate of Pbl2will be formed.
Description : Which of the following additives are added to plastics to make it impervious to X-rays? (A) Asbestos (B) Barium salt (C) Carborundum (D) Phthalic acid
Last Answer : (B) Barium salt
Description : Which of the following additives improves the cetane number of diesel? (A) Amyl nitrate (B) Ethyl mercaptan (C) Naphthenic acid (D) Tetra ethyl lead
Last Answer : (B) Ethyl mercaptan
Description : Additives used for promoting the flocculation of particles is a/an (A) Electrolyte (B) Surface active agent (C) Both (A) & (B) (D) Neither (A) nor (B)
Last Answer : (C) Both (A) & (B)
Description : Which of the following additives/water proofing agents is added to lower the hydrophilic (moisture loving) characteristic of cement? (A) Xanthates (B) Stearic acid (C) Calcium & aluminium stearate (D) Formic acid
Last Answer : (C) Calcium & aluminium stearate
Description : Lubricating greases are a mixture of (A) Mineral oil, soap and additives (B) Mineral oil and metallic soap (C) Mineral oil and fatty oil (D) Fatty oil and metallic soap
Last Answer : (A) Mineral oil, soap and additives
Description : How do I remove a large amount of depilatory wax from my stovetop and floor?
Last Answer : answer:Isopropyl alcohol and a paper towel might be your best bet. Then spray it down with an all purpose cleaner once you get the big stuff up.
Description : How can one remove candle wax from a carpet?
Last Answer : answer:Your best bet is to freeze it. They sell commercial stuff that does it. I have never used it on household carpet. But it works well on most things. Or you could buy a rug.