The major constituents of Portland cement include
1 Lime, silica and iron oxide
2 Lime, silica and magnesia
3 Silica, alumina and magnesia
4 Lime, silica and alumina
example for navigation satellite?
Activity of an enzyme can be modulated by change of [a] pH [b] Light [c] Humidity [d] Rainfall
What is the cytology ?
How many colours the sunlight spectrum has ? 1 Five 2 Three 3 Seven 4 Nine
0.005M K2Cr2O7 solution for calibration of UV.why 0.005M K2Cr2O7?
difference between ancient age,middle age & modern age.
The neutral atom’s two isotopes differ in the number of 1 Electron shells 2 Protons 3 Valence electrons 4 Neutrons
Using an applied force of a Newton across one meter is known as a:
Combustion is the process in which 1 Heat is produced 2 Light is produced 3 Heat and light are produced 4 None of these
Papepr is manufactured by 1 Wod and resin 2 Wood, sodium and bleaching powder 3 Wood and bleaching powder 4 Wood, calcium, hydrogen sulphite and resin
Glass is made of the mixture of 1 Quartz and mica 2 Sand and salt 3 Sand and silicates 4 None of these
What is the Cellular Structure ?