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The combustible material at the tip of a safety match sitck is
1 Sulphur
2 Manganese dioxide
3 Phosphorus
4 Antimony sulphide
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Explain how you can integrate Life skills in Science Teaching
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Monazite is an ore of 1 Iron 2 Titanium 3 Thorium 4 Zirconium
why is it important that sex cells have half the number of Chromosomes as body cells?
The two elements that are frequently used for making transistors are 1 Boron and aluminium 2 Silicon and germanium 3 Iridium and tungsten 4 Niobium and columbium
An atom of an element with mass number 23 and atomic number 11 will have 1 11 neutrons, 12 protons and 11 electrons 2 11 protons, 12 neutrons and 11 electrons 3 11 neutrons, 11 protons and 12 electrons 4 23 protons and 11 electrons
Catalytic properties of a substance may be best defined as a phenomenon of 1 Absorption 2 Chemisorption 3 Adsorption 4 None of these
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how is electricity converted from the potential energy of water falling from dams?
The highest grade of coal whose surface is shining and has the highest calorific value, is 1 Bituminous 2 Lignite 3 Anthracite 4 Peat
1 Answers Neyveli Lignite Corporation,
How many naval staffs can occupy arihant?
Explain about the methods of sterilization of DMEM?
Biological Sciences 
