Acids, Bases and Salts [NSO Level 1- Science Olympiad (SOF) Class 10]: Questions 1 - 5 of 113
Choose Programs:
🎯 1497 MCQs (& PYQs) with Full Explanations (2024-2025 Exam)
Rs. 500.00 -OR-
3 Year Validity (Multiple Devices)
CoverageDetailsSample Explanation
Help me Choose & Register (Watch Video) Already Subscribed?
Question 1
Question MCQ▾
Which of the following is incorrect for acid?
Choices
Choice (4) | Response | |
---|---|---|
a. | Acid turns red litmus blue. | |
b. | All the compounds containing are acidic. | |
c. | All the acid have sour test. | |
d. | All the acids generates H-gas on reacting with metal |
Question 2
Question MCQ▾
Copper oxide in a beaker and add slowly while stirring,
The color of the solution is
Choices
Choice (4) | Response | |
---|---|---|
a. | Blue to green color | |
b. | Blue to greenish blue | |
c. | Blue to black color | |
d. | No change |
Question 3
Question Assertion-Reason▾
Assertion(Ꭺ)
Reason(Ꭱ)
The metal combines with remaining part of the acid and forms compounds called salt.
Choices
Choice (4) | Response | |
---|---|---|
a. | Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ | |
b. | Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ | |
c. | Both Ꭺ and Ꭱ are false | |
d. | Ꭺ is true but Ꭱ is false |
Question 4
Question MCQ▾
The acidic solution was placed on a strip of paper. The color of the strip.
Choices
Choice (4) | Response | |
---|---|---|
a. | Turned green | |
b. | Turned red | |
c. | Turned light pink | |
d. | Did not change |
Question 5
Question MCQ▾
When is reacts with the resultant we get and , on passing through lime water we get the precipitate of
Find out that what is respectively?
Choices
Choice (4) | Response | |
---|---|---|
a. | ||
b. | ||
c. | ||
d. |