Q. no. 1: Encircle the correct answer.
- Acids react with metal hydroxides to form
A.salt and hydrogen gas
B.salt and water
C.salt and alkali
D.hydrogen and oxygen
2.. When methyl orange indicator is added to a basic solution, the solution turns _.
- Indicators are substances whose solutions change colour due to changes in _.
- HCl+NaOH→NaCl+H2O What is the type of this reaction?
C.Single displacement reaction
- When a few drops of phenolphthalein indicator are added to an acidic solution, the
solution turns _.
6.Zn+H2SO4→?Which of the following gases releases?