Chemistry questions
29404 published questions with worked solutions.
- A substance which gives a brick red flame and breaks down on heating giving oxygen and a brown gas is:
- Least abundant metal in IIA group is:Not in JEE Main or NEET syllabus
- Which can undergo both oxidation and reduction?
- A metal M readily forms its sulphate M SO_4 which is water soluble. It forms its oxide M O which becomes inert on heating. It...Not in JEE Main or NEET syllabus
- Which alkaline earth metal is the most abundant in the earth's crust?Not in JEE Main or NEET syllabus
- Which of the following alkaline earth metal sulphate has hydration enthalpy by higher than its lattice enthalpy:
- The compound which is insoluble in hot water and NH_3 is:
- Which of the following ions, will have maximum hydration energy?
- The chemical formula of plaster of Paris isNot in JEE Main or NEET syllabus
- Which statement is correct for alkaline earth metals?Not in JEE Main or NEET syllabus
- Ca, Sr and Ba dissolve in liquid ammonia giving a......Not in JEE Main or NEET syllabus
- Chlorine reacts with 'X' to form bleaching powder. 'X' is
- The active constituent of bleaching powder is:
- The first ionization energies of alkaline earth metals are higher than those of the alkali metals. This is because:
- The characteristic colours given by calcium, strontium and barium in the flame test are respectively
- The element that forms a solid basic oxide at room temperature is:Not in JEE Main or NEET syllabus
- Bleaching powder is obtained by interaction of Cl_2 and:
- A solid is a compound of group 1 element and it gives a bright red colour in the flame test. The solid is
- The ionic carbide is:
- Which of the following will liberate hydrogen by its reaction with hydrochloric acid?