The metallic constituents of hard water are
1 Magnesium, calcium and tin
2 Iron, tin and calcium
3 Calcium, ,magnesium and iron
4 None of these
Which radioactive pollutant has recently drawn the attention of the public, due to its occurrence in the building material? 1 Radium 2 Radon 3 Thorium 4 Plutonium
Caustic soda is 1 NaC1 2 Na2CO3 3 NaOH 4 NaHCO3
The combustible material at the tip of a safety match sitck is 1 Sulphur 2 Manganese dioxide 3 Phosphorus 4 Antimony sulphide
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
Explain the role of Science for sustainable Development
0 Answers Mahatma Gandhi University,
a private address 172.116.0.0 will borrow ? bits from the HOST to give one 120 subnets - range = ?
where the 3rd earthsummit held
why is it important that sex cells have half the number of Chromosomes as body cells?
Photosynthesis is 1 An exothermic process 2 An endothermic process 3 A neutral process 4 A thermostatic process
what does the haversian central canal in each osteon contains?
Which is india’s largest nuclear research reactor?
Which of the following shows the masses of three elementary particles in decreasing order? 1 Mesons, Baryons, Leptons 2 Leptons, Baryons, Mesons 3 Baryons, Mesons, Leptons 4 Leptons, Mesons, Baryons