Day 236: CBSE Class 10 Science

5 questions. Try each one first, then open its answer.

Question 1
Acids, Bases and Salts. Asked once: 2023
4 $The table below has information regarding pH and the nature (acidic/basic) of four different solutions. Which one of the options in the table is correct ? Option Solution Colour of pH paper Approximate pH value Nature of solution (a) Lemon juice Orange 3 Basic (b) Milk of magnesia Blue 10 Basic (c) Gastric juice Red 6 Acidic (d) Pure water Yellow 7 Neutral$
Tap an option to check your answer.
Question 2
Electricity. Asked once: 2024
25 (B) $2\,\Omega$
Question 3
Acids, Bases and Salts. Asked once: 2023
5 $Sodium hydroxide is termed an alkali while Ferric hydroxide is not because :$
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Question 4
Electricity. Asked once: 2024
Two statements are given, one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer from the options given below.
19 $Assertion (A) : Electrons move from lower potential to higher potential in a conductor. Reason (R) : A dry cell maintains electric potential difference across the ends of a conductor.$
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Question 5
Acids, Bases and Salts. Asked once: 2023
28 $5{\cdot}5$

Option	Solution	Colour of pH paper	Approximate pH value	Nature of solution
(a)	Lemon juice	Orange	3	Basic
(b)	Milk of magnesia	Blue	10	Basic
(c)	Gastric juice	Red	6	Acidic
(d)	Pure water	Yellow	7	Neutral

Question 1