Some Basic Conc...

Physical properties are those properties which ______ measured or observed ______ changing the identity or the composition of the substance

The molar mass of Al₂O₃ is

SI units for Base Physical Quantities of length, mass and current are

Molarity is defined as

For the reaction 
Fe₂ O₃ (s) + 3 CO (g) → 2 Fe (g) + 3 CO₂,
224 g of CO is available to react with 400 g Fe₂O₃, the yield of iron and CO₂, are:

According to the law of conservation of mass, a balanced chemical equation has

The molar mass of C₆H₁₀O₅  is

A measured temperature is 100⁰F on Fahrenheit scale, then what is this reading be on Celsius scale:

SI unit of density is

The calculation of masses (sometimes volumes also) of the reactants and the products involved in a chemical reaction is called

The molar mass of CaCO₃ is

There are ____ in 12.0 ml?

Molarity of NaOH in a solution prepared by dissolving 4 g of NaOH in enough water to form 250 ml of solution is:

The kelvin scale is related to celsius scale by

Molecular mass of glucose (C₆H₁₂O₆) is

The molar mass of AgNO₃ is

The molar mass of ZnSO₄ is

How many atoms of hydrogen are in 67.2 L of H₂ at STP?

In scientific notation for such numbers, any number can be represented in the form N × 10n where

Choose the most appropriate answer amongst the options given below for the statement.

A solution of a desired concentration is prepared by diluting

How many atoms of Oxygen are there in 18g of water?

(Hint: Avogadro’s Number = 6.02 x 10²³ atoms/mol)

Chemistry does not play a major role in

If a matter has definite volume and definite shape, then it is:

The number of moles of solute present in 1 kg of solvent is called:

There are ____ in 0.05 ml?