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)
64%
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
Which of the following is the primary reason for making alloys?
Anonymous Quiz
12%
To decrease the melting point of metals.
13%
To increase the electrical conductivity.
68%
To enhance properties like hardness and corrosion resistance.
6%
To make metals more lustrous.
❤3🕊2
The oxides of non-metals are generally:
Anonymous Quiz
49%
Acidic in nature
27%
Basic in nature
19%
Amphoteric in nature
5%
Neutral in nature
❤2
The reaction of iron(III) oxide (Fe2O3) with aluminium is used to join railway tracks. This highly exothermic reaction is an example of a:
Anonymous Quiz
25%
Combination reaction
23%
Decomposition reaction
41%
Displacement reaction
12%
Double displacement reaction
❤1
Which property of metals allows them to be drawn into thin wires?
Anonymous Quiz
30%
Malleability
61%
Ductility
6%
Sonority
3%
Lustre
❤1
What are the products when a metal like zinc reacts with dilute hydrochloric acid (HCl)?
Anonymous Quiz
13%
Zinc chloride and water
75%
Zinc chloride and hydrogen gas
11%
Zinc oxide and hydrogen gas
1%
No reaction
❤5
Brass is an alloy composed of which two metals?
Anonymous Quiz
37%
Copper and Tin
46%
Copper and Zinc
9%
Iron and Carbon
8%
Lead and Tin
❤4