Jaclin

Asked: December 15, 2020In: Class 10 Science

Compound x decomposes to form compound Y and co₂ gas. Ccompound Y is used in manufacturing of cement. (a) Name the compound ‘X’ and ‘Y’. (b) Write the chemical equation for this reaction.

NCERT Solutions for Class 1 Science Chapter 1 Important Board Questions Chemical Reactions and Equations NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 13

Learn Chemistry

Asked: December 15, 2020In: Class 10 Science

Give reasons: Brown coloured copper powder on heating in air turns black coloured substance.

NCERT Solutions for Class 1 Science Chapter 1 Important Board Questions Chemical Reactions and Equations NCERT Books for Session 2022-2023 CBSE Board and UP Board Short Type Question Questions No: 12 Part: b

Yashvi Goyal

Asked: November 5, 2020In: Class 9

Express the following linear equation in the form ax + by + c = 0 and indicate the values of a, b and c in case: x = 3y

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.1 Page No:68 Questions No: 2 Part:4

Yashvi Goyal

Asked: November 5, 2020In: Class 9

Express the following linear equation in the form ax + by + c = 0 and indicate the values of a, b and c in case: 2x = –5y

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.1 Page No:68 Questions No: 2 Part:5

Vedika Sharma

Asked: November 5, 2020In: Class 9

Express the following linear equation in the form ax + by + c = 0 and indicate the values of a, b and c in case: 3x + 2 = 0

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.1 Page No:68 Questions No: 2 Part:6

Vedika Sharma

Asked: November 5, 2020In: Class 9

Express the following linear equation in the form ax + by + c = 0 and indicate the values of a, b and c in case: y – 2 = 0

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.1 Page No:68 Questions No: 2 Part:7

Vedika Sharma

Asked: November 5, 2020In: Class 9

Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in: 5 = 2x

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.1 Page No:68 Questions No: 2 Part:8

Poll

Vedika Sharma

Asked: November 5, 2020In: Class 9

Which one of the following options is true, and why? y = 3x + 5 has

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.2 Page No:70 Questions No: 1

Vedika Sharma

Asked: November 5, 2020In: Class 9

Write four solutions for the equation: 2x + y = 7

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.2 Page No:70 Questions No: 2 Part:1

Vedika Sharma

Asked: November 5, 2020In: Class 9

Write four solutions for the following equation: πx + y = 9

NCERT Solutions for Class 9 Maths Chapter 4 Important NCERT Questions Linear equations in two variables NCERT Books for Session 2022-2023 CBSE Board and UP Board Others state Board EXERCISE 4.2 Page No:70 Questions No: 2 Part:2

Jaclin

Compound x decomposes to form compound Y and co₂ gas. Ccompound Y is used in manufacturing of cement. (a) Name the compound ‘X’ and ‘Y’. (b) Write the chemical equation for this reaction.

Give reasons: Brown coloured copper powder on heating in air turns black coloured substance.

Express the following linear equation in the form ax + by + c = 0 and indicate the values of a, b and c in case: x = 3y

Express the following linear equation in the form ax + by + c = 0 and indicate the values of a, b and c in case: 2x = –5y

Express the following linear equation in the form ax + by + c = 0 and indicate the values of a, b and c in case: 3x + 2 = 0

Express the following linear equation in the form ax + by + c = 0 and indicate the values of a, b and c in case: y – 2 = 0

Express the following linear equations in the form ax + by + c = 0 and indicate the values of a, b and c in: 5 = 2x

Which one of the following options is true, and why? y = 3x + 5 has

Write four solutions for the equation: 2x + y = 7

Write four solutions for the following equation: πx + y = 9

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