Rayon is chemically
1 Glucose
2 Amylase
3 Cellulose
4 Pectin
Which of the following alloys is used for making magnets? 1 Duralumin 2 Stainless steel 3 Alnico 4 Magnalium
Which of the following is used in making smoke bombs? 1 Sulphur 2 phosphorus 3 Hydrogen 4 Carbon
What is the work of a patent engineer? Does the experience in working as patent engineer helps in finding a job in a refinery?
The first synthetic fiber made by man was 1 Rayon 2 Nylon 3 Polyester 4 Terycott
Diamond is harder than graphite because of 1 Difference of layers of atoms 2 Tetrahedral structure of diamond 3 Difference of crystalline structures 4 None of these
The element found on the surface of the moon is 1 Tin 2 Tungsten 3 Tantalum 4 Titanium
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
Glass is made of the mixture of 1 Quartz and mica 2 Sand and salt 3 Sand and silicates 4 None of these
why nitrogen is about 70%(i.e.)highest percentage in environment
The filament of an electric bulb is made of 1 Iron 2 Nichrome 3 tungsten 4 Graphite
9 Answers Germanium, Google, Graphite India, Tungsten,
When was the first american rocket launched?
What is the zoology ?