CBSE Class 10 - Chemistry - METALS AND NON-METALS (Very Short Answer Based Questions) #class10Chemistry #Metals #NonMetals #eduvictors #cbse2020

CBSE Class 10 - Chemistry - METALS AND NON-METALS (Very Short Answer Based Questions) 

Q1. A green layer is gradually formed on a copper plate left exposed to air for a week in a  bathroom. What could this green substance be? 

Answer. It is due to the formation of basic copper carbonate [CuCO₃.Cu(OH)₂].

Q2. Why are elements of Group IA i.e. H, Li, Na, K, Cs and Fr called alkali metals?

Answer. Because oxides of these elements dissolve in water to give alkali or soluble hydroxides.  

Q3. A non-metal X exists in two different forms Y and Z. Y is the hardest natural substance,   whereas Z is a good conductor of electricity. Identify X, Y and Z. 

Answer. ‘X’ is carbon, ‘Y’ is diamond as it is the hardest natural substance and ‘Z’ is graphite as   it is good conductor of electricity. 

CBSE Class 6 - Science - Light, Shadows And Reflections - Worksheet (#class6Science)(#eduvictors)

Class 6 - Science - Light, Shadows And Reflections - Worksheet 

Fill in the blanks with suitable words.

  

1.  Object like the sun that give out or emit light of their own are called ______________ object.

2.  Light travels in a straight line and this is known as _________ propagation of light 

3. _________________ are formed when an opaque object comes in the path of light

4. Polished surfaces produce ____________________ reflection which causes glare in our eyes.

Class 10 Social Science Preboard Sample Question Paper 2020-21(#class10SocialScience)(#eduvictors)(#cbse2020)

 Class 10 Social Science Preboard Sample Question Paper 2020-21

Learning is a continual process. To improve scores, the best way is to learn and practice. Solving question papers help students to evaluate their knowledge and familiarise with different types of question patterns being asked in the examination. 

Eduvictors provides CBSE Previous Year Papers and Sample Question Papers for Class 10 Maths, Science, Social, English, Hindi and Sanskrit with/without solutions to help students in their board exam preparation.

1. Buy Oswaal CBSE Sample Question Papers Question Banks Class 10 (Set of 8 Books) Mathematics Basic, Science, Social Science, English (FREE SCHOOL BAG) (Reduced Syllabus for 2021)

2. Buy 10 Last Years Solved Papers: CBSE Class 10 for 2021 Examination

3. Buy Educart CBSE Class 10 Social Science Sample Question Papers 2021 (As Per 9th Oct CBSE Sample Paper)

4. Educart Combo of Science + Social Science Sample Question Papers Books Of Class 10 for 2021 (as per latest CBSE changes)

Here attached the Social Science Sample Question Paper (2020-2021). This year new pattern based questions i.e. Case Study Based Questions are introduced. In the question paper (2020-21) there are 5 sections having a total of 32 questions.

Class 10 Maths - Revision Worksheet (#class10Maths)(#eduvictors)

Class 10 Maths - Revision Worksheet

Q1: How many prime factors are there in prime factorisation of 5005 ?

(A) 2 

(B) 4 

(C) 6 

(D) 7

Q2: Find the zeros of x(x - 3)

(A) 1,3 

(B) 0, 2 

(C) 0, 3 

(D) 2, 1

Q3: The value of k for which the system : 4x + 2y = 3, (k – 1)x – 6y = 9 has no unique solution is :

(A) –13 

(B) 9 

(C) –11 

(D) 13

Class 10 Maths Basic CBSE Sample Question Paper with Marking Scheme 2020-21(#class10Maths)(#eduvictors)(#cbse2020)

 Class 10 Maths Basic CBSE Sample Question Paper with Marking Scheme 2020-21

Learning is a continual process. To improve scores, the best way is to learn and practice. Solving question papers help students to evaluate their knowledge and familiarise with different types of question patterns being asked in the examination. 

Eduvictors provides CBSE Previous Year Papers and Sample Question Papers for Class 10 Maths, Science, Social, English, Hindi and Sanskrit with/without solutions to help students in their board exam preparation.

1. Oswaal CBSE Sample Question Paper Class 10 Mathematics Basic Book (Reduced Syllabus for 2021 Exam)

2. Buy 10 Last Years Solved Papers: CBSE Class 10 for 2021 Examination

3. Buy Educart CBSE Class 10 Maths 'Basic' Sample Question Papers 2021 (As Per 9th Oct CBSE Sample Paper) 

Here attached the Maths Sample Question Paper (2020-2021) along with Marking Scheme (published by CBSE). This year new pattern based questions i.e. Case Study Based Questions are introduced.

Class 9 - Chemistry - Atoms and Molecules - Atomicity of Elements (Worksheet)#class9Chemistry #eduvictors #cbse2020

Class 9 - Chemistry - Atoms and Molecules - Atomicity of Elements (Worksheet)

Molecules of an element are formed by the atoms of the same type. Molecules of some elements contain only one atom and molecules of some elements contain two or more atoms. The number of atoms constituting a molecule is known as its atomicity.

CBSE Class 8 - Social Science Periodic Test Question Paper (2020-21)(#eduvictors)(#class8SocialScience)

CBSE Class 8 - Social Science Periodic Test Question Paper (2020-21)

Social Sciences at upper primary level aims at know-how of various phenomena in social environment. Social sciences have an critical role in generating sensitivity closer to human values of compassion, believe, peace, cooperation, social justice, environmental safety etc. It makes students aware of one’s own social surroundings and its interplay with numerous geographical, ancient, social, economic, and political factors. 

1. Oswaal NCERT & CBSE Question Bank Class 8 Social Science Book (For March 2021 Exam)

2. CBSE All In One NCERT Based Social Science Class 8 2020-21

Here follows the class 8 social Science sample question paper.

Class 10 Physics - Electricity - Open Circuit vs Closed Circuit vs Short Circuit (#cbseClass10Physics)(#Class10Physics)(#eduvictors)

Class 10 Physics - Electricity - Open Circuit vs Closed Circuit vs Short Circuit 

Open Circuit

An open circuit implies that the two points are externally disconnected, which is equivalent to a resistance R = ∞ . This means that theoretically no current(I = 0) can flow between the two terminals, regardless of any value of potential difference ( V= 0 to ∞).

CBSE Class 11 - Physical Education - Physical Fitness, Wellness and Style (MCQs) (#class11PhysicalEducation)(#eduvictors)(#cbse)

Physical Fitness, Wellness and Style (MCQs)

CBSE Class 11 - Physical Education

Q1: Which one of the following Health and wellbeing lifestyle determinants, an individual has the maximum control?

(a) Healthcare system

(b) Social and cultural

(c) Heredity and Age

(d) Personal Interactions

Q2: How many components do physical fitness have?

(a) Five 

(b) Four

(c) Three 

(d) Six

CBSE Class 12 - Physics Sample Question Paper + Marking Scheme - (2020-21)(#eduvictors)(#cbse2020)(#class12Physics)

CBSE Class 12 - Physics Sample Question Paper + Marking Scheme - (2020-21)

Physics is a study of basic laws of nature and their manifestation in different natural phenomena. Physics is the study of the physical world and matter and its motion through space and time, along with related concepts such as energy and force. The class 11 and 12 syllabus provides logical sequencing of the ‘Units’ of the subject matter with proper placement of concepts with their linkages for better understanding.

1. Oswaal CBSE Question Bank Class 12 Physics Book Chapterwise & Topicwise Includes Objective Types & MCQ's (For 2021 Exam)

2. Educart CBSE Class 12 Physics Sample Question Papers 2021 (As Per 9th Oct CBSE Sample Paper)

Here follows the class 12  Physics sample question paper along with marking scheme and answers helping you in your studies.