OMTEX CLASSES: If the electronic configuration of metal A is (2, 8, 1) and that of metal B is (2, 8, 2) then:

If the electronic configuration of metal A is (2, 8, 1) and that of metal B is (2, 8, 2) then:



a. Which metal is less reactive?

Ans. Metal B is less reactive.

b. Write the names of the two metals.

Ans. Metal A is sodium & Metal B is magnesium.

c. Write the balanced chemical equation of reaction of any one metal with hydrochloric acid.

Ans. Mg(s) + 2HCl(aq) ----------> MgCl2(aq)  + H2(g)

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MATHS PART ONE SSC 10TH STANDARD VIDEO MAHARASHTRA ENGLISH MEDIUM

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CHAPTERS COVERED
1. LINEAR EQUATIONS IN TWO VARIABLES
2. QUADRATIC EQUATIONS
3. ARITHMETIC PROGRESSION
4. FINANCIAL PLANNING
5. PROBABILITY
6. STATISTICS

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VIDEO LECTURES OF (MATHS I) SSC NEW SYLLABUS.



Linear Equations in Two Variables



Quadratic Equation



Arithmetic Progression



Financial Planning



Probability



Statistics