Who discovered radio telescope?
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Science is both a process and product-Substantiate
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how is rrb model question paper for science junior engineer gr.II
Which is the largest comet?
172.116.0.0 is a private address - for 120 subnets how many bits does one borrow from the HOST bits
The chemical (ethyl merceptan) added to the otherwise odorless LPG cooking gas for imparting a detectable smell to the gas is a compound of 1 Sulphur 2 Fluorine 3 Chlorine 4 Bromine
Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose
Who commanded the challenger’s first flight?
What is the wavelength of visible spectrum? 1 1300A-3000A 2 3900A-7600A 3 7800A-8000A 4 8500A-9800A
Give two National aims of science education
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In laundry soaps, a material called ‘filler’ is used. Which of the following is a ‘filler? 1 Talc 2 Sodium silicate 3 Soda ash 4 Sodium phosphate
Titanium is purified by 1 Zone refining 2 Electrolysis 3 Van Arkel method 4 Hydraulic washing
The major ingredient of leather is 1 Carbohydrate 2 Collagen 3 Polymer 4 Nucleic acid