Some Basic Conc...

In a homogeneous mixture,the components are

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

NH₃ obtained from different sources always contains nitrogen and hydrogen in the ratio 1 : 3. This is in accordance with

Particles of compounds are

The mass of 2.6 moles of sulphur dioxide is

Atomic mass of carbon is 12 u. One atom of magnesium is twice as heavy as one carbon atom. What is the atomic mass of magnesium?

Fill up the  blank  with  suitable word in the statement,

" Physical properties are those properties which are measured or observed--------------- changing the identity or the composition of the substance ."

Which among the following illustrates the law of reciprocal proportions?

Volume of CO₂ obtained from complete decomposition of 126 g of CaCO₃ at STP is

Precision and Accuracy refer to _______ of various measurements for the same quantity repeatedly  and agreement of a particular value to the ------- --------  of the result , respectively.