Which gas is flushed into packets of chips to prevent rancidity?
Anonymous Quiz
5%
Oxygen
83%
Nitrogen
8%
Hydrogen
4%
Carbon dioxide
❤3🎉2
The chemical reaction used in black and white photography is:
Anonymous Quiz
30%
Combination of silver and bromine
51%
Decomposition of silver bromide
11%
Displacement of silver by bromine
8%
Oxidation of silver bromide
❤6🥰1
✨ 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! 💪
❤2🔥1
✅ Today's quiz on Chemical Reactions and Equations is complete! Well done! 🎉
➡️ Tomorrow's Topic
Acids, Bases and Salts
📍 Channel: @class_10_science_notes
See you tomorrow! 👋
NEXT QUIZ IN @Class_10_notes in which quiz is going to start in 1 minute.
Acids, Bases and Salts
📍 Channel: @class_10_science_notes
See you tomorrow! 👋
NEXT QUIZ IN @Class_10_notes in which quiz is going to start in 1 minute.
❤4⚡1🕊1
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🚀 Get ready for your exams with the ultimate study package by Physics Wallah!
🔥 What’s Inside?
✅ Chapterwise Concept Maps 🧠
✅ NCERT & Exemplar Questions 📖
✅ Competency Focused Blueprints + Solved Qs
✅ Handpicked PYQs from Top Schools 🎯
✅ Mock Tests as per Latest Pattern 🏆
✅ CBSE 2025 PYQ + Sample paper
📕 Order Now from Amazon - https://www.amazon.in/stores/page/D941ECE1-A87F-49F5-A73D-1A99114A697C?channel=CLASS10_QB_27SEP
❤3👍2🥰1
📢 Today's Quiz Topic
Acids, Bases and Salts
⏰ The quiz will start in 30 seconds! Get ready! 🧠
Acids, Bases and Salts
⏰ The quiz will start in 30 seconds! Get ready! 🧠
❤5👍5🕊1
What are the products formed when a zinc granule reacts with dilute sulphuric acid?
Anonymous Quiz
16%
Zinc sulphate and Oxygen
67%
Zinc sulphate and Hydrogen
13%
Zinc chloride and Hydrogen
4%
Zinc oxide and Water
❤5👍2
Tooth decay starts when the pH of the mouth is:
Anonymous Quiz
17%
Higher than 7
9%
Exactly 7
65%
Lower than 5.5
9%
Higher than 5.5
❤3
A farmer finds that the soil in his field is too acidic. Which of the following should he add to the soil to adjust its pH?
Anonymous Quiz
15%
Vinegar
19%
Common salt
54%
Slaked lime
12%
Gypsum
❤2🎉2
A student adds a few drops of a dilute acid to a test tube containing egg shells. What would they observe?
Anonymous Quiz
9%
No reaction occurs.
39%
A pungent smelling gas is evolved.
45%
A colourless, odourless gas is evolved.
6%
Brown fumes are observed.
❤5
What is the common name for the compound NaHCO3?
Anonymous Quiz
17%
Washing soda
56%
Baking soda
20%
Bleaching powder
7%
Caustic soda
🔥2❤1
Clove oil is an example of which type of indicator?
Anonymous Quiz
16%
Natural indicator
11%
Synthetic indicator
71%
Olfactory indicator
2%
Universal indicator
❤3
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
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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