The purest form of iron is
1 Steel
2 Cast iron
3 Pig iron
4 Wrought iron
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Explain any four values that can be developed through teaching Physical Science
0 Answers Mahatma Gandhi University,
Who commanded the challenger’s first flight?
In which year was the meteorology department founded?
The gases used in different types of welding would include 1 Oxygen and hydrogen 2 Oxygen, acetylene and argon 3 Oxygen and acetylene 4 None of these
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,
Who invented telescope?
When was the second and third experimental explosion conducted?
Which of the following metals remains in liquid form under normal conditions? 1 Uranium 2 Radium 3 Zinc 4 Mercury
Caustic soda is 1 NaC1 2 Na2CO3 3 NaOH 4 NaHCO3
The major ingredient of leather is 1 Carbohydrate 2 Collagen 3 Polymer 4 Nucleic acid
meron po bang minerals ang astoroids po ba?
Which of the following is used for removing air bubbles from glass during its manufacture? 1 Feldspar 2 Arsenious oxide 3 Potassium carbonate 4 Soda ash