NEET Chemistry Principles Related to Practical Chemistry Class 12 Questions

What gas is evolved when a carbonate reacts with dilute sulfuric acid?

What color precipitate is formed when barium chloride is added to a solution containing sulfate ions?

What white crystalline precipitate is formed when disodium hydrogen phosphate is added in the presence of Mg2+ ions?

What color does the flame turn when testing for calcium ions (Ca 2+)?

What is the color of the precipitate formed when lead chromate is obtained from the reaction of lead(II) chloride with potassium chromate?

What is the color of the precipitate formed when barium ions are treated with potassium chromate solution?

What is formed when lead acetate solution is added to the acidified solution containing chromate ions?

What gas is evolved when manganese dioxide is added to a mixture containing concentrated sulphuric acid and a salt?

What is the observable color change when iodine is added to starch solution?

What white precipitate is formed when a solution containing sulfate ions is treated with barium chloride?

What is formed when gas is passed through Nessler's reagent?

What color is imparted to the flame by calcium ions when performing a flame test?

What color indicates the presence of Cu²⁺ ions when observed in a heating test?

What is formed when sodium hydroxide is added to a solution containing Zn²⁺ ions?

What gas is evolved when sodium iodide reacts with concentrated sulfuric acid and manganese dioxide?

What observation indicates the presence of carbonate ions when dilute sulfuric acid is added to a solid salt?

What is the product formed when borax is heated and decomposes?

What is the observed color of the solution when iodine dissolves in an organic solvent during the testing of iodide ions?

What does a basic nature of a salt solution indicate about its composition?

What indicates the presence of Pb²⁺ ions when a white precipitate appears after adding cold water to a solution prepared with hot concentrated HCl?

What is the color of the precipitate formed when barium chloride is added to a solution containing sulfate ions?

What happens to a metallic carbonate when it is heated in a charcoal cavity?

What gas is evolved when sodium sulfite is treated with warm dilute sulfuric acid?

What color does bromine vapour turn starch paper when tested?

What color indicates the presence of iodide ions when CHCl3 or CCl4 is added to a salt solution and shaken vigorously?

What color indicates the presence of iodide ions when CHCl3 or CCl4 and chlorine water are added to the salt solution?

What color does the solution become when iodine is added to the organic solvent in the presence of iodide ions?

Which combination of statements correctly describes the tests for sulfate and phosphate ions?

Which of the following statements about functional group tests for lead ions is correct?

Which of the following combinations correctly describes the functional group tests for identifying ions in a salt solution?

Which of the following statements about systematic qualitative analysis is correct?

Which of the following statements about the qualitative analysis of salts is correct?

Which combinations of statements accurately describe the reactions involved in organic preparations related to iodide ions?

Which of the following statements about functional group tests is correct?

Which of the following statements about functional group tests is correct?

Which of the following combinations correctly identify the presence of oxalate ions in a solution?

Which of the following statements about safety and procedure in the chemistry laboratory is correct?

Which combination of statements correctly describes the functional group tests for copper ion (Cu 2+)?

Which of the following combinations correctly describe the reactions involved in organic preparations with iodide ions?

Which combinations of statements accurately describe the organic preparation methods involving iodide ions?

Which of the following statements about the preparation and testing of the original solution of a salt is correct?

Which of the following statements about functional group tests is correct?

Which of the following statements correctly describes the functional group tests for the presence of certain ions?

Which of the following combinations correctly identifies the observations and inferences related to the testing of ions in salts?

Which of the following statements about the qualitative analysis of magnesium ions is correct?

Which of the following statements correctly describe the tests for detecting specific ions in qualitative analysis?

Which of the following statements about organic preparations involving iodide ions and manganese dioxide is correct?

A sample of salt is dissolved in water and dilute HCl is added, but no white precipitate forms. Which of the following ions is most likely absent?

In the test for cobalt ions (Co 2+), which of the following compounds is formed as a yellow precipitate?

Which of the following statements about organic preparations involving iodides and sulfuric acid is correct?