General Science - Chemistry
Which among the following is the lowest atomic number element without any stable isotopes?
Which among the following is the main constituent of malleable metal alloy Pewter ?
How many parts are of other metals in a 17 carat Gold?
Which among the following does not come under carbon Group of Periodic Table?
Which among the following is not correctly matched?
The chemical oxygen demand COD test is commonly used to measure which of the following?
Which among the following is an organic mineral?
Liming is the application of calcium and magnesium rich materials to soil in various forms, including marl, chalk, limestone, or hydrated lime. What is the purpose of liming?
Who among the following established that genetic code of all organisms is spelled out in three-letter words, each set of three nucleotides codes for a specific amino acid?
Which among the following is a main component of some alert tablets such as Alert, No Doz, Stay Awake & Vivarin?