रसायन उद्योग में कौन-सा तेजाब मूल रासायनिक माना जाता है?
Which acid is regarded as the basic chemical in the chemical industry?
Collection of verified questions for Adhatuyen under General Science. Includes previous year exam questions with official answer keys and step-by-step solutions.
Which acid is regarded as the basic chemical in the chemical industry?
Which of the following is known as laughing gas?
'Laughing gas' is:
Which gas is generally filled in balloons?
Helium is preferred over hydrogen in balloons because:
Which of the following acids does not contain oxygen?
Which of the following is readily soluble in water?
Which of the following remains in a solid state at normal room temperature?
Which of the following gases is used for filling aeroplane tyres?
Aqua regia used by goldsmiths is prepared by mixing:
Which of the following is not optically active?
The chemical used to eliminate fungi/algae in water tanks is:
Blue Vitriol is chemically:
Which of the following is a possible pH value for an acidic solution?
Oxygen is absent in:
A tube light is filled with:
Which of the following elements is found in liquid state at normal temperature?
Which of the following is not a gaseous biogeochemical cycle?
Which of the following has a pH value of 7?
Which of the following gases is used as a tear gas?
Water can dissolve more substances than any other liquid because:
What is the molecular geometry of the sulphur hexafluoride molecule?
Approximately what percentage of atmospheric air is nitrogen?
The gases used by deep-sea divers for breathing are:
Which gas is mixed with oxygen for breathing by divers in deep sea?