Chemistry-Acid Bases and Salt [NTSE Stage-1 (State-Level) Scholastic-Aptitude & Language Comprehension]: Questions 1 - 5 of 8
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Question 1
Question MCQ▾
Boyle suggested some properties of acid; choose the correct set of them.
Choices
Choice (4) | Response | |
---|---|---|
a. | Sour taste, corrosive change litmus from blue to red | |
b. | Sour taste, slippery change litmus from blue to red | |
c. | Sour taste, corrosive change litmus from red to blue | |
d. | Sweet taste, slippery change litmus from blue to red |
Question 2
Question MCQ▾
Which of the following substances is essential solute in saline water?
Choices
Choice (4) | Response | |
---|---|---|
a. | Acetic acid | |
b. | Salicylic acid | |
c. | Sodium chloride | |
d. | Ammonium chloride |
Question 3
Question MCQ▾
Consider the following statements
I. An amphoteric substance can act as both an acid and a base.
II. Bases are sometimes called alkalis.
Which of the statements given above is/are correct?
Choices
Choice (4) | Response | |
---|---|---|
a. | Only II | |
b. | I and II | |
c. | Only I | |
d. | Question does not provide sufficient data or is vague |
Question 4
Question MCQ▾
Observe the given figures and choose the correct alternative.
Choices
Choice (4) | Response | |
---|---|---|
a. | pH of B > pH of A and C | |
b. | pH of A B and C are equal | |
c. | pH of A > pH of Band C | |
d. | pH of C > pH of A and B |
Question 5
Question MCQ▾
Which of the following fact is not true about sodium hydrogen carbonate?
Choices
Choice (4) | Response | |
---|---|---|
a. | Its white crystals are sparingly soluble in water | |
b. | It is used as a raising agent in making cakes | |
c. | It is also used in making ‘Borax’ | |
d. | It is commonly known as baking soda |