The Contact Process is involved in the manufacture of
1 Nitric acid
2 Sulphuric acid
3 Ammonia
4 Caustic soda
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Gypsum is added to cement clinker to 1 Increase the tensile strength of cement 2 Bind the particles of calcium silicate 3 Decrease the rate of setting of cement 4 Facilitate the formation of colloidal gel
the basic approach to science was established by:
which of the following fibers is generally preferred for making gauze and lint? 1 Cotton 2 Rayon 3 Nylon 4 Terylene
0.005M K2Cr2O7 solution for calibration of UV.why 0.005M K2Cr2O7?
Which synthetic fiber possesses a ‘drip-dry’ property? 1 Rayon 2 Nylon 3 Silk 4 Terylene
The wavelength of X-ray is of order of 1 1 cm 2 1m 3 1 Angstrom 4 10 micron
Name any two modern branches of Physical Science
0 Answers Mahatma Gandhi University,
The Purest form of water can be obtained from:- I) a deep tube well II) a running stream III) a hot water spring IV) a heavy shower of rain
Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these
Which is india’s largest nuclear research reactor?
Which of the following is the basis of modern periodic table? 1 Atomic mass 2 Atomic number 3 Atomic size 4 Atomic volume
Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose