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 pink color of Bayer’s reagent is discharged when acetylene is passed through it. This is due to the formation of 1 Acetic acid 2 Ethylene 3 Water 4 Oxalic acid
What is the Nutrition ?
Two or more forms of a chemical element having different physical properties but rising to identical chemical compounds are called 1 Allotropes 2 Isotopes 3 Isomers 4 Isotones
What are nebulae?
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
NO OF PLANT IN ONGC
Write two characteristics of Science.
0 Answers Mahatma Gandhi University,
Which of the following was to be discovered first in the chromo sphere of the sun? 1 Xenon 2 Helium 3 Neon 4 Krypton
Science is both a process and product-Substantiate
0 Answers Mahatma Gandhi University,
Give two National aims of science education
0 Answers Mahatma Gandhi University,
what is the smallest fish?
Which of the following is a protein? 1 Wool 2 Starch 3 Natural rubber 4 Cellulose