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Maharashtra SSC Exams 2021 Cancelled amid worsening situation: Varsha Gaikwad

Maharashtra SSC Exams 2021 for Class 10 students have been cancelled. Maharashtra Education Minister Varsha Gaikwad today confirmed the news. The decision was taken by the state government amid worsening situation of the pandemic in the state. Maharashtra HSC Board Exams 2021, however, stand postponed and new dates would be announced accordingly in due course […]

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Science Part 1 Question Bank Solution – Q.1 (B) VIII. Write an explanation.

1. GroupAns: The eighteen vertical columns in the modem periodic table are called as groups. 2. PeriodAns: The seven horizontal rows in the modem periodic table are called as periods. 3. Atomic radiusAns: For an isolated atom, the distance between the centre of the nucleus of the atom and the outermost shell is called its

Science Part 1 Question Bank Solution – Q.1 (B) VIII. Write an explanation. Read More »

Science Part 1 Question Bank Solution – Q.1 (B) VII. Right or wrong sentence.

1. If the distance between two masses is doubled, the gravitational force between them becomes less than the previous force.Ans: Right 2. The CGS unit of G is dyne.cm2/g2.Ans: Right 3. The value of gravitational acceleration at the centre of earth is zero. Ans: Right 4. The value of g is highest at the equator.Ans:

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Science Part 1 Question Bank Solution – Q.1 (B) VI. Write the name:

1. The atom having the biggest atomic size from period 2.Ans: Lithium (Li) 2. The atom having the smallest atomic radius from zero group.Ans: Helium (He) 3. The family of group 1 elements.Ans: Alkali metals 4. Highest reactive nonmetal.Ans: Fluorine (F) 5. The element having stable electron configuration from the third period.Ans: Argon (Ar) 6.

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Science Part 1 Question Bank Solution – Q.1 (B) V. Complete the incomplete sentence.

1. According to Newland’s octave rule, chlorine shows similarity with fluorine. Because, chlorine is …………………Ans: According to Newland’s octave rule, chlorine shows similarity with fluorine. Because, chlorine is the eighth element from fluorine. 2. According to Mendeleev’s periodic law properties of elements are ……………….Ans: According to Mendeleev’s periodic law properties of elements are a periodic

Science Part 1 Question Bank Solution – Q.1 (B) V. Complete the incomplete sentence. Read More »

Science Part 1 Question Bank Solution – Q.1 (B) III. Answer the following questions in one sentence.

1. Element A and B follows the Newland’s octaves rule. How many elements are there in between A and B?Ans: Element A and B follows the Newland’s octaves rule and six elements are there in between A and B. 2. Write the characteristic of Dobereiner’s triads?Ans: In each triad, the elements were placed according to

Science Part 1 Question Bank Solution – Q.1 (B) III. Answer the following questions in one sentence. Read More »

Science Part 1 Question Bank Solution – Q.1 (B) II. Find odd one out and give its explanation

1. F, K, Cl, IAns: KK is placed in group 1 while others are placed in group 17 of the modem periodic table. 2. Lithium, Sodium, Magnesium, PotassiumAns: MagnesiumMagnesium is an alkaline earth metal while others are alkali metals. 3. Beryllium, Helium, Neon, ArgonAns: BerylliumBeryllium is an alkaline earth metal while others are noble gases.

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Science Part 1 Question Bank Solution – Q.1 (B) I. Find the correlation

1. Eka boron : Scandium :: Eka Aluminum : _________Ans: Eka boron : Scandium :: Eka Aluminum : Gallium 2. Mendeleev’s periodic table : atomic mass :: Modem periodic table : _________Ans: Mendeleev’s periodic table : Atomic mass :: Modem periodic table : Atomic number 3. Group 1 and 2 : s block :: group

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Science Part 1 Question Bank Solution – Q.1 (A) Choose the correct option in the multiple choice answer for the following questions:

1. A …………… is necessary to change the speed as well as the direction of motion of an object. (A) force            (B) inertia              (C) momentum         (D) motion 2. The orbit of a planet revolving around a star is ………….. (A) circular 

Science Part 1 Question Bank Solution – Q.1 (A) Choose the correct option in the multiple choice answer for the following questions: Read More »

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