The variety of coal in which the deposit contains
recognizable traces of the orginal plant material is
1 Anthracite
2 Lignite
3 Peat
4 Bitumen
The major ingredient of leather is 1 Carbohydrate 2 Collagen 3 Polymer 4 Nucleic acid
Which are the research centres of department of atomic energy?
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
List and explain two instances of Correlation Science with Life Situation
0 Answers Mahatma Gandhi University,
Glass is made of the mixture of 1 Quartz and mica 2 Sand and salt 3 Sand and silicates 4 None of these
The variety of coal in which the deposit contains recognizable traces of the orginal plant material is 1 Anthracite 2 Lignite 3 Peat 4 Bitumen
The material used for bleaching paper pulp is 1 Chlorine 2 Caustic soda 3 Sodium hypochlorite 4 Lime
name all the density all cloth,metals,materials?
Marsh gas is 1 Hydrogen 2 Nitrogen 3 Methane 4 Ethane
What is the Respiration ?
Which of the following is not an isotope of hydrogen? 1 Protium 2 Yitrium 3 Deuterium 4 Tritium
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,