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Science Match the Following.

Exploring Substances: Acidic, Basic, and Neutral · Gujarat Board (GSEB) STD 7 (GSEB - English Medium). 2 questions.

Questions

Match the Following.

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2 questions · self-marked practice — reveal the answer and mark yourself.

Question 14 Marks
Column AColumn B
Q.1. TurmericA. Changes colour
Q.2. Acid + Base red roseB. Natural indicator from
Q.3. Hydrangea flower substancesC. Becomes red in basic
Q.4. Red rose extractD. Salt + Water + Heat
Answer
Column AColumn B
1. TurmericC. Becomes red in basic
2. Acid + Base red roseD. Salt + Water + Heat
3. Hydrangea flower substancesA. Changes colour
4. Red rose extractB. Natural indicator from
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Question 24 Marks
Column AColumn B
Q.1. LitmusA. Bitter and slippery to touch
Q.2. VinegarB. Natural indicator from lichens
Q.3. BascC. Used to treat acidic soil
Q.4. Quick limeD. Olfactory indicator
 E. Acetic acid
 
Answer
(1-B,2-E,3-C,4-D)
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Match the Following. - Science STD 7 Questions - Vidyadip