HCl has pH 7.1 .

Class 10 ch 2

Quiz
•
Chemistry
•
10th Grade
•
Medium

Komal Gupta
Used 241+ times
FREE Resource
20 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Yes
No
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Some fruits like mango,lemon, rawgrapes, orange has sour taste dur to the presence of
Acetic acid
Citric acid
Lactic acid
Oxalic acid
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Brine is an:
Aqueous solution of sodium hydroxide
Aqueous solution of sodium carbonate
Aqueous solution of sodium chloride
Aqueous solution of sodium bicarbonate
4.
MULTIPLE CHOICE QUESTION
45 sec • 1 pt
Zinc granules on treating with an acid X, form the zinc sulphate (ZnSO4) salt along with the evolution of a gas Y which burns with a pop sound when brought near to a burning candle. Identify the acid X and gas evolved Y.
X- Sulphuric acid and Y- Oxygen gas
X- Hydrochloric acid and Y- Oxygen gas
X- Sulphuric acid and Y- Hydrogen gas
X- Hydrochloric acid and Y- Hydrogen gas
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
The figure given below represents the experiment carried out between concentrated sulphuric acid and sodium chloride, which react with each other to form HCl gas.
Blue litmus paper is brought near the mouth of the delivery tube to check the presence of HCl acid but no change is observed in the color of litmus paper because:
The litmus paper used is moist
The litmus paper used is dry
Blue litmus paper does not change its color with an acid
The litmus paper is kept very close to the mouth of the delivery tube
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Dilute acid does not produce carbon dioxide on being treated with:
Marble
Lime
Baking soda
Limestone
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Identify the products of the following reaction:
Calcium hydrogencarbonate and chlorine gas
Calcium chloride and water
Calcium oxide, carbon dioxide and water
Calcium chloride, carbon dioxide and water
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