Acid, Base and Salts

Fruits such as oranges , lemon etc, contain ........................... Acid

• Citric

• Lactic

• Ascorbic

• Acetic

Which one of the following is not a neutral substance ?

• Glucose

• Sodium Hydroxide

• Urea

• Sugar

Bases turn Red litmus to ...................

• Green

• Yellow

• Blue

• Black

If the given solution neither changes the colour of the red litmus nor blue litmus paper , it is ..........................

• An Acid

• A base

• Neutral

• Colourless

Hydrochloric Acid solution affect .......................... litmus paper

• Red

• Blue

• Both of these

• None of these

Methyl Orange is a

• Natural

• Human-Made

• Pink

• Colourless

Which method is recommended to dilute an acid

• An acid is added to water

• Water added to acid

Which of the following is a property of an Acid ?

• Sour taste

• Sweet Taste

• Bitter Taste

• Salty Taste

Milk of magnesia contains .............................

• Sodium

• Potassium

• Magnesium

• Ammonium

Manure is added , when the soil is too ...................................

• Acidic

• Basic

• Neutral

• None of these