Q. Combining Copper(I) (Cu+) with Oxygen (O₂) results in

View solution

Q. Charge on Sulphur can be

View solution

Q. In Calcium Chloride, percentage composition of Calcium is

View solution

Q. Compounds are not formed by elements

View solution

Q. Percentage of an element can be calculated through

View solution

Q. Covalent compounds

View solution

Q. If Magnesium Carbonate (MgCO₃) reacts with Hydrochloric Acid (HCl), products will involve

View solution

Q. In Na₂CO₃.10H₂O, percentage of Carbon is

View solution

Q. A salt(s) and H₂(g) is produced if reactants are

View solution

Q. Formula of Copper Hydroxide is

View solution

Q. Na₂SO₄ stands for

View solution

Q. Copper ion can be written as

View solution

Q. Chemical formula of Copper(I) Oxide

View solution

Q. If waters relative molecular mass is 36, molecular formula will turn out to be

View solution

Q. Symbol Hg stands for

View solution

Q. Law of conservation of mass

View solution

Q. If an acid reacts with an oxide, product will include H₂O and

View solution

Q. While writing ionic equations,

View solution

Q. In KHCO₃, highest percentage composition is of

View solution

Q. Valency of all of these ions is +1, except

View solution