Metals & Non Metals (1)_watermarked (1).pdf
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📖 Aap sab ab or ache se padh paoge📝📝
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An element X forms two oxides XO and XO2. The oxide XO is neutral but XO2 is acidic. The element X is most likely to be
Anonymous Quiz
34%
Sulphur
37%
Carbon
15%
Calcium
14%
Hydrogen
Which metal, out of copper (Cu), zinc (Zn), aluminium (Al), and iron (Fe), reacted with dilute NaOH at room temperature to produce effervescence (fizzing)?
Anonymous Quiz
22%
Copper (Cu) only
25%
Zinc (Zn) only
21%
Aluminium (Al) only
33%
Zinc (Zn) and Aluminium (Al)
A student puts one big iron nail each in four test tubes containing zinc sulphate, aluminium
sulphate, copper sulphate and iron sulphate. A
reddish-brown coating was observed only on the surface of their on nail which was put in the solution of
sulphate, copper sulphate and iron sulphate. A
reddish-brown coating was observed only on the surface of their on nail which was put in the solution of
Anonymous Quiz
44%
Copper sulphate
30%
Iron sulphate
18%
Zinc sulphate
8%
Aluminium sulphate
The cathode is made up of ________ in electrolytic refining.
Anonymous Quiz
31%
Alloy
27%
Impure metal
37%
Pure metal
6%
Fused salt
The electronic configurations of three elements A, B and C are A: 2, 8; B: 2, 8, 7 and C: 2, 8, 2. Which of the following statements is correct?
Anonymous Quiz
21%
A is a metal
39%
B is a Non-metal
18%
C is a non-metal
22%
B is a metal and C is a non-metal
A metal Z has electronic configuration 2, 8, 3
occurs in the earth's crust and its oxide formula is Z2O3. Metal Z is more reactive than zinc. Which of the following statement(s) is/are true about metal Z?
occurs in the earth's crust and its oxide formula is Z2O3. Metal Z is more reactive than zinc. Which of the following statement(s) is/are true about metal Z?
Anonymous Quiz
26%
The metal Z is iron.
25%
The metal Z is lead
39%
The ore from which metal Z is extracted is bauxite.
10%
The ore from which metal Z is extracted is haematite.
The reaction between B and A forms compound D. B loses electron and A gains electron. Which of the following properties is not shown by compound D?
Anonymous Quiz
23%
Has a low melting point
32%
Has a high melting point
23%
Occurs as solid
22%
Conducts electricity in a molten state
Read the given statements and select the correct option. Statement-1: Pure gold, known as 24-carat gold, is very hard.
Statement-2: It is alloyed with either silver or
copper to make it soft.
Statement-2: It is alloyed with either silver or
copper to make it soft.
Anonymous Quiz
29%
Both statements are true.
26%
Both statements are false.
30%
Statement 1 is true and statement 2 is false.
14%
Statement 1 is false and statement 2 is true
Assertion: Usually the sulphide ore is converted ton oxide before reduction.
Reason: Reduction of oxides occurs more easily.
Reason: Reduction of oxides occurs more easily.
Anonymous Quiz
49%
Both assertion and reason are true and Reason is the correct explanation of Assertion.
34%
Both assertion and reason are true but reasonis not the correct explanation of Assertion.
12%
Assertion is true but reason is false.
5%
Assertion is false but reason is true.
formula sheet-real number .pdf
427.9 KB
🖌📃Formula cheat sheet of real number aagaya hai 🖌📃
Yaad raho, padhai hi woh weapon hai jisse tum duniya badal sakte ho☑️☑️
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Pair of Linear Equations in Two Variables.pdf
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Bacchon Maths ka Pair of Linear Equations in Two variables🧑🎓 🧑🎓
📚📚As Nelson Mandela said, "Education is the most powerful weapon you can use to change the world."📚📚
❌ Never stop learning and growing! Your education is an investment in yourself and your future. Keep reaching for new goals and knowledge.✍️ ✍️
📚📚As Nelson Mandela said, "Education is the most powerful weapon you can use to change the world."📚📚
❌ Never stop learning and growing! Your education is an investment in yourself and your future. Keep reaching for new goals and knowledge.
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📝📝Aapke liye ek test aa rha hai (Chapter 3 )Metals And Non Metals ka📝📝
📖📚📖Thoda revise karo, chill karo, aur phir aa jao aur yeh test conquer kar lo!🏆🏆🏆
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Google Docs
Metals and Non Metals | SCIENCE | Class 10 | Chapter - 3
Instruction for Exercise
I. This exercise contains objective Descriptive questions to practice current chapter.
Il. Total number of questions in this exercise are 15.
III. Top 10 students will be featured in the weekly leaderboard post 😎😎
All the Best!
I. This exercise contains objective Descriptive questions to practice current chapter.
Il. Total number of questions in this exercise are 15.
III. Top 10 students will be featured in the weekly leaderboard post 😎😎
All the Best!
📜This week, we're on a mission to conquer amazing topics of class 10th📜
🔴 Classes,
🔴 NCERT exercises,
🔴 Practice Sheets,
🔴 Quizzes,
🔴 aur bhi bahut kuch practice karenge!!
Class link🔗 coming at 5 PM ( Every Monday (SCIENCE) and Tuesday (MATHS)
📱📲So stay tuned with @pwudaanclass10th and share it with yours friends📱📲
⭐️ ⭐️ Class 10 boards sara syllabus cover krenge sab saath me!!⭐️ ⭐️
🔵 SCIENCE-Carbon and it's compounds
🔵 MATHS -Quadratic Equations
🔴 Classes,
🔴 NCERT exercises,
🔴 Practice Sheets,
🔴 Quizzes,
🔴 aur bhi bahut kuch practice karenge!!
Class link
📱📲So stay tuned with @pwudaanclass10th and share it with yours friends📱📲
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🌎World Earth Day: Invest In Our Planet - Our Home, Our Future!🌎
A Call to Action for Every Citizen of Earth
🏝 🏝 This beautiful planet, a symphony of life teeming across continents and oceans, is under threat. Climate change, pollution, and unsustainable practices are casting a shadow over our future. But today, on World Earth Day, we have the power to turn the tide.🌲🌳🌴
This is not just a day for awareness, it's a day for action.
🌿 🌿 Invest in Our Planet is not a slogan, it's a commitment. It's a promise to nurture the world that sustains us, to leave a legacy of clean air, healthy oceans, and thriving ecosystems for generations to come.🌿 🌿
🔮This investment doesn't require a fortune.
🌼It starts with small changes in our daily lives
🍀 Reducing our carbon footprint by using public transport, cycling, or walking.
🍀 Embracing renewable energy sources and energy-efficient practices at home.
🍀 Opting for sustainable products and minimizing waste.
🍀 Planting trees, conserving water, and protecting green spaces.
🌺 🌹 🌼 This Earth Day, let's make a collective investment in our planet. Let's ensure a future where humanity thrives in harmony with nature.🌺 🌹 🌼
A Call to Action for Every Citizen of Earth
This is not just a day for awareness, it's a day for action.
🔮This investment doesn't require a fortune.
🌼It starts with small changes in our daily lives
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