Related InterviewSolutions

• Choose base from the following compounds:(a) Salt(b) Acid of salt (c) Washing soda (d) Magic acid
• Acid present in tamarind:(a) Lactic acid(b) Citric acid (c) Tartaric acid(d) Acetic acid
• Natural indicators are prepared from….. i) plants ii) petrochemicals iii) living organisms iv) minerals A) only i B) both i and ii C) both i and iii D) both ii and iv
• Why lime, orange juice, tamarind etc. sour in taste.
• What is the taste of baking soda?
• What are the colours of the following natural and synthetic indicators in acidic and basic solutions? Litmus, turmeric, jamun, methyl orange, phenolphthalein?
• ……………….. taste is a characteristic property of all acids in aqueous solutions A) Sour B) Bitter C) Salty D) Sweet
• Define ‘amphoteric oxides’ and give two examples.
• As aqueous acid solutions conduct electricity, they are identified as A) electrolytes B) bad conductors C) good conductors D) Both A and C
• Which of the following solutions convert red litmus paper to blue A) HCl B) HNO2 C) NaOH D) None