A few complicated questions?

1.a job is done slowly and a same job is done quickly both jobs require the same amount of work but different amouns of ? A.energy B.power C.both A and B D . none of them


2. FIll in the blank


[ I ][ 1 ]


[S][ 2 ]


[R][ 3 ]


[K][ 4 ]


[ ][ ]


3.Urine tends to have a yellow/amber color . All of the following are names for a yellow pigment found in urine except


A . hematoidin B.Hydrobilirubin C.Urochrome D.Urohaematin


4.Dettol is a brand of antiseptic . Name the functional group in the molecular structure of this antiseptic


A.carbonyl B.amine C.carboxyl D.phenol


5.You just woke up , how about a shower ? which one of these chemicals is the most likely to make your shampoo effective ?


A.Benzyl alcohol B.Methylparaben C.Sodium laureth sulfate


D.Sodium salicylate


6.When you shave . Be sure to rinse the stubble down the drain . Hair gets its (natural) color from the presence . absence and type of which protein ? A.Collagen B. Fibrin C.Keratin D.Melanin . Thats all ,Pls help.Thanks

A few complicated questions?
1. B. power


2. it needs thinking. pls give me a couple of days


3. A.hematoidin - is an orange-yellow pigment in the bile that forms as a product of hemoglobin; excess amounts in the blood produce.


the others are names for the yellow pigment found in the urine.


4.i really am not sure


5. c. sodium laureth sulfate


is a detergent and surfactant found in many personal care products (soaps, shampoos, toothpaste etc.). It is an inexpensive and very effective foamer.


Benzyl alcohol is Harmful if swallowed, inhaled or absorbed through the skin. Severe irritant for eyes, skin and respiratory system.


methylparaben - is a mold-inhibitor and a popular preservative for food and cosmetics but the compound is often found in carpules of local anaesthetic, acting as a bacteriostatic.


6. c. kertain


Collagen is the main protein of connective tissue in animals and the most abundant protein in mammals, making up about 25% of the total protein content.


Fibrin is a protein involved in the clotting of blood.


and melanin is well Skin tone is determined by the amount and type of the pigment melanin in the skin.
Reply:1. Power, as work is the same, it's the rate at which its done that differs.


2. god knows, I can't even understand the question..


3. I think it's hematoidin. B and C are sure, not sure about D, but it sounds all right.


4. phenol, i think.


5. C (laureth sulfate: soap)


6. Absence of melanin. I think all others are present, don't know which one is responsible for the colour..

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