Chemistry

What is HCl ?

• Hydrochromic acid

• Hydrochloric acid

• Hydrogen Hydroxide

• Chloride

What is shown here ?

Which of the following is/are noble gases ?

• Krypton

• Neon

• Nitrogen

• Oganesson

• Xenon

What is the Valency of Magnesium ? (mention + or - also)

How many elements are there in the periodic table ?

• 118

• 114

• 110

• 122

What is this process known as :- NaOH + HCl ⟶ NaCl + H2O

Is this Acidic or Basic ?

• Acidic

• Basic

What is NH4 ?

• Element

• Compound

Which of the following is true ?

• Compound Radicals always have negative ions

• Ozone is a Compound Radical and its valency is 1

• Contains a group of atoms which behave as a single unit in different compounds

• Phosphate is PO3

What is the Chemical Formula for Nitrite ?