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Which of these turn red litmus paper blue?

• acids

• bases

• water

The table shows the pH of several solutions. Which solution is the most acidic?

• vinegar

• milk

• water

• bleach

The substances that taste sour because the contain

• Base

• Acid

• Salt

• Sugat

Are you playing this quiz honestly?

(Tell the truth, you will get marks!)

what is the taste of acid

• sour

• salty

• sweet

• bitter

Chromosomes are made of

• DNA
• RNT
• WWE
• DMA

Which of the following is an antacid?

• Mg(OH)2

• NaOH

• H2SO

• H2O

1. Which of the following acid is present in sour milk?

• Lactic acid

• tartaric acid

• glycolic acid

• citrus acid

Which of the following is a base?

• orange juice

• water

• vinegar

• dishwashing detergent

tick the natural indicators

• turmeric

• phenophthalien

• iodine solution

• methylene blue