Given data: The mass of one atom = 6.643-10 -23 gm The mass of 'x' atoms = 20kg or 20000 gm Therefore, x = x= 3 ×10 -26 atoms Number of... View Article
Evaporation causes cooling naturally. Examples for evaporation causes cooling are: An air cooler is the best example for evaporation causes... View Article
Tollens' reagent is a chemical reagent used to distinguish between aldehydes and ketone functional groups. Its chemical formula is Ag(NH3)2OH... View Article
The number of certain atoms coupled with or displaced with another atom to produce a compound is referred to as valency. Two hydrogen atoms... View Article
There is just one ingredient in a pure element or compound; no additional substances are present. Impure materials can be made up of different... View Article
Oxidation number of Cr in K3CrO8 is +5. K3CrO8 has a Tetragonal structure. However, chromium can only have a maximum oxidation state of + 5. The... View Article
Carbon dioxide's resonance structure has three resonance structures, one of which is a substantial contribution. There are 16 valence electrons... View Article
Given Mass of sugar is 20g Mass of water is 2L Molecular mass of sugar(C12H22O11) is 12*12 + 1*22 + 16*11 = 342 g Molarity (M) = Number of... View Article
The bcc cell consists of one atom at the centre and eight atoms at the corners The total number of atoms(n) = The fcc cell consists of one... View Article
To convert aniline into chlorobenzene, we have to convert aniline into benzene diazonium chloride in the presence of NaNO2 / HCl, which then... View Article
Mole fraction = frac{Moles of solute}{Moles of solute + Moles of solvent} Let the mass of water be 1kg The moles of CH3OH is 5.2 The mole... View Article
Hydrogen is the chemical element with the symbol H and atomic number 1.It is one of the most abundant chemical substances in the universe. In the... View Article
Vegetative reproduction is considered asexual reproduction because, in this biological process, the vegetative part of the parent plants (root,... View Article
Like humans, animals also need food to gain energy for their cellular metabolism and other body functions. Animals have a wide variety of... View Article
Robert Hooke, an English scientist, coined the term cell in 1665. He was the first person to visualize a micro-organism and to witness a live... View Article
