Related MCQs

• Q. Fill in the blank: The process in which the concentrated ore is heated below its melting point in
• Q. The pH of three solutions X, Y and Z is 6, 4 and 8 respectively. Which of the following is the corre
• Q. The metal which is always present in an amalgam is:
• Q. A solution has turned the colour of red litmus paper to blue. The pH of the solution is approximatel
• Q. Phenolphthalein is ……………. in acidic solution.
• Q. Which of these is not an organic acid?
• Q. Fill in the blank: The process of formation of salt and water when an acid reacts with a base is
• Q. An element has atomic number 17. To which group, period does it belong ? It is metal or non-metal ?
• Q. Which of the following statements is correct about an aqueous solution of an acid and of a base? (i
• Q. The atomic number of an element Y is 17. The number of electrons in its ion Y^– will