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
please send current affairs model qp of clerical posts in sbi
3 Answers State Bank Of India SBI,
. One mole of hydrogen gas burns in excess of oxygen to give 290 kJ of heat. What is the amount of heat produced when 4 g of hydrogen gas is burnt under the same conditions? (a) 145 kJ (b) 290 kJ (c) 580 kJ (d) 1160 kJ
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