Which of the following is not a bleaching agent?
1 Sulphur dioxide
2 Carbon dioxide
3 Sodium hypochlorite
4 Chlorine
Which of the following is commonly called a ‘polyamide’? 1 Rayon 2 Orlon 3 Terylene 4 Nylon
In fireworks, the green flame is produced because of 1 Mercury 2 Sodium 3 Potassium 4 Barium
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
The age of most ancient geological formations is estimated by 1 Potassium-argon method 2 Ra-Si method 3 C14method 4 Uranium-lead method
the river tigris in which city
Which are the units of functioning in vssc?
Rayon is chemically 1 Glucose 2 Amylase 3 Cellulose 4 Pectin
Which of the following is the lightest gas? 1 Nitrogen 2 Hydrogen 3 Ammonia 4 Carbon dioxide
A team of u.n scientists visited thumba?
Which of the following colors in he visible spectrum has maximum range? 1 Violet 2 Indigo 3 Orange 4 Red
Why we use nhexane inplace of hexane in mobilepase preparation
When was the second and third experimental explosion conducted?