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Q. What do you mean by Permissible level ?
To regulate and enforce safety about the use of these synthetic colours and dyes PFA, 1954 has covered their use in part IV comprising of rules 23 to 31. Until 1968, 13 colours were allowed under the purview of the PFA Act. Subsequently, 5 colours were withdrawn due to their toxic properties and 3 new colours were added in 1973 to make a list of 11 colours. At present, 8 colours are allowed mainly Carmoisine, Ponceau 4R, Erythrosine, Sunset yellow, Tartrazine, Brilliant blue, Indigo Carmine and Fast green.
The maximum permissible level of 200 ppm of food colour laid down in Rule 29 of the PFA Act has been recently amended in 1995 to a level of 100 ppm in all the foods except for jams, jellies and canned foods in which the permissible level still remains 200 ppm.
Orbital angular momentum for a d-electron is: (1) 6h/ 2Π (2) √6/ 2 Π (3) 12 h/ 2Π (4) √12h/ 2Π Ans: √6/ 2 Π
Optical rotation (optical activity) is the turning of the plane of linearly polarized light about the direction of motion as the light travels by certain materials. It happens in s
Atomic radius (r): As we known, the corner atoms do not touch each other. But, each corner atom touches the face centered atoms with the diagonal of the face of the cube as s
The mass of CaCl2 (molar mass= 111.0) required to prepare 75.00 milliliters of a 2.000 molar solution of this salt is?
Q. Normal functioning of blood? The sixth position marked by X is either occupied by H 2 0 or 0 2 molecules. Impotant thing to note is that Fe 2+ in hemoglobin does not get o
you are provided with a monobasic acid , HX with a concentration in the range of 0.5moldm-3. You arerequired to plan and carry out an experiment to determine that exact concentrati
Acid-base titrations - Types of titrations While the strength of an acid is determined along with the help of a standard solution of base, it is termed as acidimetry. Similarly
classification of alkenes
A covered glass tube contains 2.25g of copper and 3.32g of sulphur. The mass of the tube as well as its contents is 18.48 g. Upon heating a chemical reaction forms copper(II) sulph
The word "cereal" is derived from the name of the Roman grain or harvest goddess, Ceres. Cereals are the seeds of the grass family. These are the complex carbohydrates and consist
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