Conservation of Mass
Trending Questions
(e). Zn+HCl→ZnCl2+H2
- change in the position of nuclei
- change in the temperature
- position of electrons to form chemical bonds
- both A and C
- law of multiple proportion
- law of conservation of mass
- law of constant proportion
- Avogadro's law
- Conservation of energy
- Conservation of inertia
- Periodic Law
- Conservation of mass
Mass is not conserved in a chemical reaction.
True
False
Total mass of
Reactants
Solutions
Chemicals
Products
Mass of reactants is equal to mass of products if the reaction has same number of atoms of different elements on either side of the chemical equation respectively.
True
False
In an experiment, 15 gm of a compound X is heated in a closed glass container to give compounds Y and Z. The total mass of the compounds Y and Z is ______.
15
20
10
30
- law of constant proportion
- law of conservation of mass
- Avogadro's law
- law of multiple proportion
- Avogadro's law
- law of multiple proportion
- law of constant proportion
- law of conservation of mass
Gram molecular weight of NH3 is:
16
17
9
18
State the laws of chemical combination and define each.
Consider the following reaction.
Cu(NO3)2→CuO+NO2+O2 Which of the following are correct?
Mass of products = mass of reactants
Number of atoms on either side of the reaction are equal
Mass of reactants is not equal to mass of products
Number of atoms on product side is more than the reactant side.
- Conservation of energy
- Conservation of inertia
- Periodic Law
- Conservation of mass
- Law of conservation of mass
- The number of atoms are representative of the mass of each element on each side of a chemical reaction
- The skeletal equation does not show all the elements
- There has to be a difference between skeletal and balanced equation.