Acid Bases and Salts CLASS 7 MCQ

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Kerala PSC

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Which of the following acid is present in sour milk - Lactic Acid

Vinegar is - Sour in test

Which of the following turns blue litmus red - Lime water

HCl can neutralized by - All of these

When an acid and base react, Salt (x) and another product (y) is formed. Identify (y)) - Water

A substance that changes color in acidic and basic solution is called - An indicator

Neutralization is used in the treatment of - All of these

Lemon juice and coffee are - Lemon Juice acidic and Coffee is basic

Citric Acid is present in - Lemon

Which of the following explain the properties- Corrosive, sour, water soluble present in citrus fruit - Acid

Which of the following type of medicine used for treatment of indigestion - Antacid

What is the color of turmeric indicator in basic solution - red

Which of the following is strong acid - HCl

The common salt is - Sodium Chloride

Lemon juice will turn - Red litmus blue

Which of the following is not a natural indicator - Methyl Orange

Litmus Solution is obtained from - Lichens

The main source of oxalic acid is - Spanish

When we add few drops of China rose indicator in soap solution. What do you observe - it turns green

Calamine solution is applied on the area of ant bite. Because calamine contains - Zinc carbonate