ACID AND ALKALI YEAR 3

State the taste of this fruit?

• Tastles

• Bitter

• Sour

• Sweet

What is the example of alkaline substance

• bitter gourd

• lemon juice

• cooking oil

• mineral water

Which of the food has the same taste as the sweets?

• Chocolate

• Salted egg

• Baking powder

• Soda bicarbonate

Name the indicator used to determine the chemical properties of toothpaste and pineapple juice?

• Red and Blue litmus paper

• Filter paper

• Colour paper

• Petri dish

Which of the properties of alkaline substance is NOT TRUE?

• taste bitter

• slippery

• turn red litmus paper to blue

• turn blue litmus paper to red

Which of the following changes the blue litmus paper to red?

• Potato

• Soup

• Brinjal

• Ice cream

Which of the following can be used to replace tamarin in cooking?

• Papaya

• Long bean

• Salted egg

• Tomato

Which substance is correctly matched?

• Salted fish - Acidic

• Soursop - Acidic

• Vinegar - Alkaline

• Body wash - Neutral

Substance X does not changes blue or red litmus paper. Which of the following is Substance P?

• Medicine

• Shampoo

• Salt solution

• Coffee

Teacher has run out of litmus paper. Which of the following indicator can be used to replace the litmus paper?

• Chili

• Soy source

• Baking powder

• Hibiscus extract