Which of the following metals can displace hydrogen from
dilute acids?
1 Zinc
2 Gold
3 Copper
4 Silver
who is the first president of india ?
2 Answers State Bank Of India SBI,
Which is the largest comet?
Which was the international geo - physical year?
Which is the largest refractor telescope?
The neutral atom’s two isotopes differ in the number of 1 Electron shells 2 Protons 3 Valence electrons 4 Neutrons
Which of the following metals can displace zinc from a solution of zinc sulphate? 1 Lead 2 Magnesium 3 Iron 4 Mercury
What ate the most essential parts of the human body ?
2 Answers State Bank Of India SBI,
Using an applied force of a Newton across one meter is known as a:
Explain the Evolution of Science as a discipline in the Medieval Period
0 Answers Mahatma Gandhi University,
Permanent hardness of water may be removed by the addition of 1 Alum 2 Sodium carbonate 3 Lime 4 Potassium permanganate
Which of the following is a chemical change? 1 Oxidation 2 Reduction 3 Sublimation 4 Decomposition
The material used for bleaching paper pulp is 1 Chlorine 2 Caustic soda 3 Sodium hypochlorite 4 Lime