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प्रश्न
Select the correct name from the choices given below for the following case.
A chemical used as a preservative for jams, pickles, etc.
विकल्प
Titanium dioxide
Rayon
Benzoic acid
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उत्तर
Benzoic acid
संबंधित प्रश्न
___________ deals with the study of matter and the changes it undergoes.
Give the basic difference between Inorganic Chemistry and Organic Chemistry.
State the function of
The asbestos fixed at the center of the wire gauze.
State the function of The tap at the base of a burette.
In the medieval ages – the philosopher’s stone was connected with all transformations. Explain.
Give a comparative difference between soaps and detergents. Give a reason. why detergents have an advantage over soap.
Select the correct name from the choices given below for the following case.
The branch of Chemistry which includes a study of specific carbon compounds – built up mainly carbon and hydrogen.
Select the correct name from the choices given below for the following case.
A water-soluble cleaning agent – not inactivated by hard water.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
For gas preparations where heating is required.
Select the correct apparatus from A, B, or C for the following functions of the apparatus given.
A glass apparatus resistant to chemicals, made of pyrex, and used for heating specific liquids.
