Which option correctly represents the number of water molecules of crystallisation in washing soda and Plaster of Paris respectively?
Anonymous Quiz
13%
10 and 2
23%
5 and 1/2
59%
10 and 1/2
6%
2 and 10
❤5
What colour does methyl orange indicator turn in an acidic solution?
Anonymous Quiz
23%
Yellow
20%
Pink
42%
Red
15%
Colourless
❤2
Why do HCl and HNO3 show acidic characters in aqueous solutions, while solutions of glucose (C6H12O6) and alcohol (C2H5OH) do not?
Anonymous Quiz
15%
They are strong covalent compounds.
25%
They do not contain hydrogen atoms.
52%
They ionise in water to produce H+ ions.
8%
They are inorganic compounds.
❤4👍1
An aqueous solution of which of the following salts will be acidic in nature?
Anonymous Quiz
25%
NaCl
20%
K2SO4
29%
NH4Cl
25%
CH3COONa
❤4🐳1
Which of the following phenomena occurs when a small amount of acid is added to water?
Anonymous Quiz
45%
Ionisation and Dilution
30%
Neutralisation and Dilution
18%
Ionisation and Salt formation
8%
Neutralisation and Salt formation
❤4
A solution reacts with crushed egg-shells to give a gas that turns lime-water milky. The solution contains:
Anonymous Quiz
31%
NaCl
52%
HCl
11%
LiCl
6%
KCl
❤2
What is the chemical name and formula of washing soda?
Anonymous Quiz
26%
Sodium bicarbonate, NaHCO3
66%
Sodium carbonate decahydrate, Na2CO3.10H2O
7%
Sodium hydroxide, NaOH
2%
Sodium chloride, NaCl
❤3
Which of the following is commonly used as an antacid to treat indigestion?
Anonymous Quiz
26%
Sodium hydroxide
16%
Calcium hydroxide
55%
Magnesium hydroxide
4%
Potassium hydroxide
❤4
What is the chemical formula for bleaching powder?
Anonymous Quiz
62%
CaOCl2
11%
CaCl2
19%
Ca(OH)2
8%
CaCO3
❤3🔥1
Which of the following statements is true for acids?
Anonymous Quiz
19%
Acids are bitter and turn red litmus blue.
22%
Acids are sour and turn red litmus blue.
53%
Acids are sour and turn blue litmus red.
7%
Acids are bitter and turn blue litmus red.
❤1
Which gas is produced when an acid reacts with a metal carbonate?
Anonymous Quiz
39%
Hydrogen
9%
Oxygen
48%
Carbon dioxide
3%
Nitrogen
❤2
A solution turns red litmus paper blue. What is the likely pH of this solution?
Anonymous Quiz
10%
1
15%
4
11%
5
64%
10
❤1
What are the three main products of the chlor-alkali process?
Anonymous Quiz
24%
Sodium, Chlorine, and Hydrogen
59%
Sodium hydroxide, Chlorine, and Hydrogen
14%
Sodium oxide, Chlorine, and Water
3%
Sodium, Chlorine, and Oxygen
❤3
Plaster of Paris is obtained by carefully heating which of the following compounds?
Anonymous Quiz
17%
Calcium carbonate at 100°C
72%
Gypsum at 100°C
10%
Bleaching powder at 100°C
1%
Slaked lime at 100°C
❤4
✨ Quote of the Day
Success is the sum of small efforts repeated day in and day out! 💪
Success is the sum of small efforts repeated day in and day out! 💪
👍6⚡1
✅ Today's quiz on Acids, Bases and Salts is complete! Well done! 🎉
➡️ Tomorrow's Topic
Metals and Non-metals
📍 Channel: @class_10_science_notes
See you tomorrow! 👋
NEXT QUIZ IN @Class_10_notes in which quiz is going to start in 1 minute.
Metals and Non-metals
📍 Channel: @class_10_science_notes
See you tomorrow! 👋
NEXT QUIZ IN @Class_10_notes in which quiz is going to start in 1 minute.
📢 Today's Quiz Topic
Metals and Non-metals
⏰ The quiz will start in 30 seconds! Get ready! 🧠
Metals and Non-metals
⏰ The quiz will start in 30 seconds! Get ready! 🧠
❤4
Which of the following metal oxides is amphoteric in nature?
Anonymous Quiz
17%
Sodium oxide (Na2O)
14%
Calcium oxide (CaO)
63%
Aluminium oxide (Al2O3)
6%
Copper(II) oxide (CuO)
❤2
The process of heating a carbonate ore strongly in a limited supply of air to convert it into a metal oxide is called:
Anonymous Quiz
26%
Roasting
59%
Calcination
7%
Smelting
8%
Reduction
❤3🎉2
Which non-metal possesses a metallic lustre, an exception to the general properties of non-metals?
Anonymous Quiz
8%
Sulphur
17%
Phosphorus
53%
Iodine
21%
Graphite
❤2