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RELATED QUESTIONS

Some Basic Concepts Of Chemistry

Class 11 Chemistry के इस tag से जुड़े questions।

Class 11 · Chemistry

In which question should we first check same two elements and different compounds?

Class 11 · Chemistry

In which question should we first check whether the system is open or closed?

Class 11 · Chemistry

Which statement correctly identifies the law of reciprocal proportions?

Class 11 · Chemistry

Which statement correctly gives the scope of the law of multiple proportions?

Class 11 · Chemistry

Which statement correctly gives the scope of the law of definite proportions?

Class 11 · Chemistry

A pure compound contains 18% A and 82% B. What is the percentage of B?

Class 11 · Chemistry

If a gaseous volume ratio is 12:12:24, what is its simplest form?

Class 11 · Chemistry

Which option correctly matches the scientist with the law?

Class 11 · Chemistry

A pure compound contains 55% A and 45% B by mass. What is the simplest mass ratio A:B?

Class 11 · Chemistry

Which option shows an incorrect use of the law of gaseous volumes?

Class 11 · Chemistry

A fixed mass of 4 g of element A combines with 7 g and 28 g of element B in two different compounds. Which law is illustrated?

Class 11 · Chemistry

In two compounds, a fixed 9 grams of A combines with 12 grams and 30 grams of B. What is the simple ratio of B?

Class 11 · Chemistry

Which option correctly shows fixed composition of a pure compound?

Class 11 · Chemistry

In a pure compound A and B are in the ratio 6:11. If A is 18 grams, how much is B?

Class 11 · Chemistry

If 64 grams of product is formed and one reactant was 25 grams, what is the mass of the other reactant?

Class 11 · Chemistry

If a question gives litres of gases and same temperature pressure which law is likely?

Class 11 · Chemistry

A student ignored temperature and pressure in Gay-Lussac's law. What is the mistake?

Class 11 · Chemistry

A student says CO and CO₂ are only an example of definite proportions. What is a better answer?

Class 11 · Chemistry

A student assumes mass of each product equals mass of each reactant. What is the mistake?

Class 11 · Chemistry

If gas escapes from an open bottle during reaction what is the correct comment on conservation of mass?