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Of the following metals which, one pollutes the air of a big
city?
1 Copper
2 Chromium
3 Lead
4 Cadmium
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Name the indian states in which river ganga flows?
19 Answers College School Exams Tests, Intel, Yes Bank,
Which of the following acids is used for ‘etching glass’? 1 HBrO3 2 H2F2 3 HCIO4 4 HIO4
Can you suppy extrusion in anodined pointed condition?
What is meant by Incidental Correlation?
0 Answers Mahatma Gandhi University,
Label the following types of erosion in order by their ability to transport materials. Wind erosion, water erosion, glacial erosion, plant/animal erosion.
What is one light minute?
Potassium permanganate is used for purifying drinking water, because 1 It is dissolves the impurities of water 2 It is a sterilizing agent 3 It is an oxidizing agent 4 It is a reducing agent
why is it important that sex cells have half the number of Chromosomes as body cells?
The vast resources of unutilized natural gas can be used in the production of 1 Graphite 2 Fertilizers 3 Synthetic petroleum 4 Carbide
‘Saponification involves the hydrolysis of fats and oils by 1 Water 2 Washing soda 3 Stearic acid 4 Caustic soda
Emerald is ----in colour 1 Violet 2 Yellow 3 Deep green 4 Prussian blue
Which of the following gases is obtained by the reaction of copper with dilute nitric acid is 1 NO2 2 N2O5 3 O2 4 NO
Biological Sciences 
