Related InterviewSolutions

• Acid rain isA. Basic.B. acidicC. neutralD. none of these
• The pH of lemon juice isA. `2.5`B. `3.5`C. ` 4.1`D. `6.5`
• Which of the following is an alkali ?A. Ferrous hydroxideB. Copper hydroxideC. Zinc hydroxideD. Sodium hydroxide
• The valency of copper in `CuSO_(4) . 5H_(2)O ` isA. 1B. 3C. 2D. 0
• The valency of copper in `CuSO_(4)*5H_(2)O` isA. 1B. 3C. 2D. 0
• Name a compound of copper in which copper shows the valency of 1 .
• When rain is acccompanied by lightning , the rainwater which is collected will have the pH valueA. lower than rainwater without lightningB. higher than rainwater without lightningC. unchangedD. none of the above
• Which of the following ions can turn red litmus solution blue ?A. `H^(+)`B. `OH^(-)`C. `CI^(+)`D. ` O^(2-)`
• Why does lemon juice turn blue litmus solution red ?
• Why does the uncovered portion of the leaf turn blue-black after putting iodine solution on it ?