Related MCQs

• Q. An element X combines with oxygen to form an oxide XO. This oxide is electrically con¬ducting. Writ
• Q. The element which has least tendency to lose electron is
• Q. Metal have ……………. melting and boiling points.
• Q. A solution has turned the colour of red litmus paper to blue. The pH of the solution is approximatel
• Q. Fill in the blank: Oxides of non-metals when dissolved in water generally give ……………. s
• Q. Magnesium is able to displace copper from copper sulphate solution because magnesium is …………
• Q. Organic acid present in vinegar.
• Q. What happens when a solution of an acid is mixed with a solution of a base in a test tube? (i) The
• Q. The rocky material found along with ores is known as …………….
• Q. Silicon(14) belongs to class of