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The urine is a pale yellow coloured fluid. The yellow colour is due to the presence of urochrome pigment formed from the haemoglobin of dead RBC's in the liver cells. It is acidic in nature and has a pH of 6.0. It has a faint anamalic odour due to the presence of urinod. It soon gets a s..

Organic Constituents Inorganic Constituents Nitrogen 23 - 35 g Chloride 6 – 9g Urea 25 - 30 g Chloride (NaCI) 10 – 15g Creatine 60 - 150 mg Phosphate 0.8 - 1.3 g Creatinine 1.2 - 1.7g Sulphate ..

Composition of Air - For thousands of years, air was considered to be a mixture of many gases. The true composition of air was not known for a long time. Air is a mixture of various gases. The main gases present in air are nitrogen (78.1% by volume) and oxygen (20.9% b..

Cement is a product obtained by combining a material rich in lime, CaO with other materials such as clay, which contains silica, SiO 2 , along with oxides of aluminium, iron and magnesium. Different types of cement display different compositions of the metal oxides. The average comp..

Gas Relative % by Volume Nitrogen (N 2 ) 78.09 Oxygen (O 2 ) 20.93 Argon (A) 00.93 Carbon di oxide (CO 2 ) 0.032 Miscellaneous 0.02 Total 100.000 ..

Mole Concept and Stoichiometry..

Sodium light l = 589 nm is incident on a Young's double slit experiment. The separation between the two slits is 3.0 mm. If the screen is placed at a distance of 4m from the slits, locate the position of the tenth bright fringe on the scree..

Question: One mole of H 2 O corresponds to 1. 22.4 litre at 1 atm and 25 0 C 2. 6.02 x 10 23 atoms of hydrogen and 6.02 x 10 23 atoms of oxygen 3. 18 g 4. 1 g Answer: ..

Question: What is the angle between the incident and reflected rays when a ray of light is incident normally on a plane mirror? 1. 90 o 2. 45 o 3. 180 o 4. 0 Answer: ..

Evaluate: 1/(9) 0 => 9 or -1 or 0 or 1..