CBSE Class 10 - Case Study Based Question #class10Science #class10Chemistry #eduvictors

CBSE Class 10 - Case Study Based Question

Study the following case study and answer the questions given below:

Water is a simple molecule consisting of one oxygen atom bonded to two different hydrogen atoms. Because of the higher electronegativity of the oxygen atom, the bonds are polar covalent (polar bonds). The oxygen atom attracts the shared electrons of the covalent bonds to a significantly greater extent than the hydrogen atoms. The molecule has a bent structure, the H—O—H bond angle is about 105°.

CBSE Class 10 - Science (MCQs) #class10ScienceQuiz #ntse #eduvictors

 CBSE Class 10 - Science (MCQs)

Q1. In which of the following, heat energy will be evolved?

(a) Electrolysis of water

(b) Dissolution of NH4Cl in water

(c) Burning of L.P.G.

(d) Decomposition of AgBr in the presence of sunlight

Class 9 - Biology - Multiple Choice Questions (2022-23) #class9Biology #BiologyQuiz #cbsenotes #eduvictors

 Class 9 - Biology - Multiple Choice Questions (2022-23)

1. Who discovered cell?

a) Robert Hooke

b) Robert Brown

c) Anton Leeuwenhoek

d) Schleiden & Schwann

CBSE Class 10 - Chemistry - Redox Reactions - Questions and Answers #class10Chemistry #class10Science #cbseclass10

CBSE Class 10 - Chemistry - Redox Reactions - Questions and Answers

Q1. What is oxidation?

Answer: Addition of oxygen or removal of hydrogen from a compound is known as oxidation.

Elements or compounds in which oxygen or non-metallic element is added or hydrogen or metallic element is removed are called to be oxidized.

CBSE Class 9 Physics - Sound - Very Short Answer Based Questions (VSQA) #class9Physics #Sound #eduvictors

CBSE Class 9 Physics - Sound - Very Short Answer-Based Questions (VSQA)

Q1. Define vibration?

Answer: Rapid to and fro motion of an object.

Q2. How is sound produced?

Answer: Vibrating objects produce sound.

Q3. Define wave.

Answer: A wave is a disturbance produced in a medium as the particles of the medium vibrate.

Class 12 Biology: How do we conserve biodiversity? Chapter: Biodiversity and Conservation #biodiversity #class12biology #eduvictors

Class 12 Biology: How do we conserve biodiversity? 

Chapter: Biodiversity and Conservation

Question: How do we conserve biodiversity?

Answer: Primarily two approaches are followed i.e.

1. In Situ conservation

2. Ex Situ conservation

CBSE Class 9 - Chemistry - Atoms and Molecules - Very Short Answer Based Questions - Answers #eduvictors #class9Science

CBSE Class 9 - Chemistry  - Atoms and Molecules - Very Short Answer Based Questions - Answers

Q1. What is the chemical symbol of lead and mercury?

Q2. Monika finds that all samples of pure water have Hydrogen and Oxygen in ratio of 1:8 by mass. Which law does the statement agree to?

Q3. 10g of silver nitrate solution is added to 10g of sodium chloride solution. What change in mass do you expect after the reaction and why?  

Class 12 English - Deep Water By William Douglas - Questions and Answers #class12English #cbsenotes #eduvictors #deepwater

Class 12 English - Deep Water By William Douglas - Questions and Answers

Q1. What is the theme of the story deep waters?

Answer: Deep Water teaches its audience that it is not death; rather, everyone is afraid of dying. Otherwise, the fear would overcome us, therefore we must battle it. Past memories can also have a permanent impact on a person's thinking.

लाल बहादुर शास्त्री #eduvictors

लाल बहादुर शास्त्री 

जन्म : 2 अक्टूबर 1904, मुगलसराय

निधन: 11 जनवरी 1966, ताशकंद, उज्बेकिस्तान ट्रेंडिंग

लाल बहादुर शास्त्री भारत के दूसरे प्रधानमंत्री थे। उन्होंने 1964 से 1965 तक भारत के प्रधान मंत्री के रूप में कार्य किया था। 1965 में भारत-पाक युद्ध के दौरान वह भारत के प्रधान मंत्री थे।

Biology Quiz-10: What is Anoxygenic Photosynthesis? #cbseclass12Biology #NEET #BiologyNotes

Biology Quiz-10:
What is Anoxygenic Photosynthesis