Students chaliye ab chemistry ke chapter 3rd "Metals and Non-metals" ke quiz krte hain🤗📝 get ready!
When hydrochloric acid is added to barium hydroxide, a white-coloured compound is formed. Which of the following option gives the complete chemical reaction?
Anonymous Quiz
26%
HCl + Ba(OH)2 → BaCl2 + 2HOH
38%
2HCl + Ba(OH)2 → BaCl2 + 2HOH
23%
2HCl + Ba(OH)2 → BaH2 + 2HCl + O2
13%
HCl + 2Ba(OH) → 2BaCl2 + 2HOH + O2
What happens when a pellet of sodium is dropped in water?
Anonymous Quiz
33%
It catches fire and forms oxide
20%
It absorbs heat and forms oxide
36%
It catches fire and forms hydroxide
11%
It absorbs heat and forms hydroxide
The chemical reaction between a piece of copper and nitric acid is given by the chemical equations,
Cu + HNO3 → Cu(NO3)2 + H2
H2 + HNO3 → H2O + NO2 What can be inferred from the chemical equation?
Cu + HNO3 → Cu(NO3)2 + H2
H2 + HNO3 → H2O + NO2 What can be inferred from the chemical equation?
Anonymous Quiz
28%
Copper causes the oxidation of HNO3 to form NO2
41%
Hydrogen gas gets oxidised by HNO3 to form water
17%
Gas reacts with oxygen in the air to form water
14%
Nitrate reacts with hydrogen to form NO2 and H2O
Which of the following options gives the process of extraction of mercury from its ore cinnabar?
Anonymous Quiz
24%
Cooling cinnabar in the presence of excess air
31%
Cooling cinnabar to convert it into mercuric oxide and then heating it
32%
Cinnabar to convert it into mercuric oxide and then heating it again
12%
Cinnabar in the presence of limited air, and then adding a small amount of water
Hello baccho, chliye aaj se chemistry ke chapter 4 "carbon and its compounds" ke quiz shuru krte hain🤗🤔
UDAAN Class 10th Orientation session 🔥
🔴 Live Now
https://www.youtube.com/live/b_8LMHJu7LU?si=cqrWPu0cG3TFURia
🔴 Live Now
https://www.youtube.com/live/b_8LMHJu7LU?si=cqrWPu0cG3TFURia
Which of the following is the molecular formula of cyclobutane?
Anonymous Quiz
40%
C4H10
24%
C4H6
28%
C4H8
8%
C4H4
A student studies that a soap molecule has two ends, one of which is an ionic end, and the other is the carbonic chain. Which option explains the interaction of a soap molecule with oil?
Anonymous Quiz
32%
Ionic end of the soap interacts with the oil
25%
The closest end of the soap interacts with the oil
33%
Carbonic chain end of the soap interacts with the oil
10%
Ends of the soap randomly interact with the oil
Methane, ethane and propane are said to form a homologous series because all are:
Anonymous Quiz
36%
Hydrocarbons
30%
Saturated compounds
11%
Aliphatic compounds
23%
Differ from each other by a CH2 group
Which of the following is the property of ionic compounds?
Anonymous Quiz
19%
They have high melting and boiling points
19%
They conduct electricity in solution or in a molten state
58%
Both (a) and (b)
4%
None of the above
Which of the following is not a characteristic of fullerenes?
Anonymous Quiz
31%
Of all the fullerene, the C60 allotrope is the most stable
29%
Its shape is similar to that of a soccer ball
27%
It contains only fused six-membered carbon-carbon rings
13%
Its hardness is lower than that of a diamond