Order of polarity of HCL CO2 H20 HF
Glucose is added in 100 gm of water. Lowering in vapor pressure is 0.2 mm Hg. Vapour pressure of pure water is 54.2 mm Hg. Then the weight of glucose is?
Find the products formed if chlorine reacts with the cold and dilute sodium hydroxide solution.
Some amount of urea is added to 1000 gm of H2O due to which vapor pressure decreases by 25% of the original vapor pressure. Find out the mass of urea added (Round off to two decimal places)
In 18.25 gram HCL gas and 500 gram water find molality.
Cyclohexylamine and Aniline can be distinguished by ?
Find the number of products formed by the reaction of acetaldehyde with benzaldehyde in the presence of NaOH.
Which of the following slows down the process of setting of the cement?
What are the densities of Al, Ge and Si ?
What is the type of bond in neoprene?
The mass of mole substance in gram is called?
When 2 gm magnesium reasts with excess of HCl and H2 gas is produced then the volume of H2 gas produced is ____ × 10–2 liter at STP. (Nearest Integer)
Consider the following molecules : Br3O8, F2O, H2S4O6, H2S5O6, and C3O2. Count the number of atoms existing in their zero oxidation state in each molecule. Their sum is _______.
The electrons in the atom of an element which determine its chemical and electrical properties are called?