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An amalgam is a homogeneous mixture of a metal in mercury whereas an alloy is a homogeneous mixture of two or more metals, or a metal and a non-metal, generally made for improving one or more properties of metals. Example: When sodium dissolves in mercury, it forms sodium amalgam. When zinc and copper are combined, alloy named brass is formed.

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6.4 is coming ( class 10)

Posted by Daksh Raj 4 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Dakshika Jaimini 4 years, 6 months ago

It's not deleted ?

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Dakshika Jaimini 4 years, 6 months ago

Yes

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A cylindrical vessel open at the top

Posted by Msg Std 4 years, 6 months ago

CBSE > Class 10 > Mathematics

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(Magnetic field due to the current through a circular loop )it is in the syllabus or not chapter 13 magnetic effects of electric current

Posted by ? ?? 4 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Harsh Nayak 4 years, 6 months ago

Yes it's in the syllabus

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Mahesh Agarwal 4 years, 6 months ago

It is in the syllabus

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After how many decimal places will the decimal representation of the rational number 229/2^2x5^7 terminate

Posted by Shobhit Raj 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Akash Boominathan 4 years, 6 months ago

7 as the power of 5 is 7

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If the ratio of corresponding sides of two triangles is 4:9 then the ratio of their areas is

Posted by Moumitha Reddy 4 years, 6 months ago

CBSE > Class 10 > Mathematics

2 answers

Akash Boominathan 4 years, 6 months ago

Ratio of the areas is square of the ratio of the corresponding sides

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Kiran Kumari 4 years, 6 months ago

Suppose there are two triangle ABC and PQR. if AB/PQ=4/9 Then (ABC)/ar (PQR)=(4/9)^2 =16/81

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Lcm of 148

Posted by Vaibhav Singh Parmar 4 years, 6 months ago

CBSE > Class 10 > Mathematics

3 answers

Apache ?? 4 years, 6 months ago

148 = 2×2×37

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Akash Boominathan 4 years, 6 months ago

You have to give two numbers for LCM , here's the prime factorisation: 148 - 2 × 2 × 37

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Vaibhav Singh Parmar 4 years, 6 months ago

Pls ?

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Simplify:- √1+cosθ /1-cosθ

Posted by Khushi 4 years, 6 months ago

CBSE > Class 10 > Mathematics

5 answers

Khushi 4 years, 6 months ago

Thank you³

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Khushi Baliyan 4 years, 6 months ago

Aur whole square laga key solve kar do??

1Thank You

Khushi Baliyan 4 years, 6 months ago

Rationalise kar do

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Ranvijay Kumar 4 years, 6 months ago

Cosec, cot

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Adithya Dev A 4 years, 6 months ago

Multiply numerator and denominator by √1+cos to get √(1+cos)^2/√1-cos^2=1+cos/sin.

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Solved sample question paper

Posted by Parminder Grewal 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

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Sin$ + Cos$ = 2 find Tan$ + Cot = ?

Posted by Prabhat Arela 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Mahesh Agarwal 4 years, 6 months ago

2/3

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A express train takes 2hours less than a passenger train to travel a distance of 240 km if the average speed of a exress train is 20 km per hour more than that of a passenger train then form an quadric equation to find the average speed of express train

Posted by Vanshu Vanshu 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Adithya Dev A 4 years, 6 months ago

240/x - 240/x+20 = 2. =>x^2+20x-2400=0.

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If the zeroes of the polynomial x^2+px+q are double in value to the zeroes of 2x^2-5x-3, find p and q.

Posted by Chehak Kohli 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Adithya Dev A 4 years, 6 months ago

p = 5 and q = -3.

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Equilateral triangles are drawn on the sides of a right angled triangle in which perpendicular is double of the base. Show that the area of the triangle on the hypotenuse is the sum of the areas of the other two triangles.

Posted by Chehak Kohli 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

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In triangle ABC, X is any point on AC. If Y, Z, U and V are the midpoints of AX, XC, AB and BC, then prove that UY is parallel to VZ.

Posted by Chehak Kohli 4 years, 6 months ago

CBSE > Class 10 > Mathematics

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PA, QB, RC and SD are all perpendicular to a line l, AB = 6 cm, BC = 9 cm, CD = 12 cm and SD = 36 cm. Find PQ, QR, RS.

Posted by Chehak Kohli 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Determine the modal weight

Posted by Harmanjit Singh 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Adithya Dev A 4 years, 6 months ago

Tally, please?

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in the given figure D and E trisect BC.prove that 8AE Square=3AC Square +5AD square

Posted by Daksh Gaur 4 years, 6 months ago

CBSE > Class 10 > Mathematics

0 answers

ANSWER

Find the HCF 144 and 198

Posted by Simran Kaur 4 years, 6 months ago

CBSE > Class 10 > Mathematics

4 answers

Vishal K 4 years, 6 months ago

HCF of 144 and 198 is 18

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Mahesh Agarwal 4 years, 6 months ago

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Khushi 4 years, 6 months ago

=18

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Jay Rakecha 4 years, 6 months ago

144=2×2×2×2×3 198=2×33×33 2

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What is standard form of equations

Posted by Imlang Saring 4 years, 6 months ago

CBSE > Class 10 > Mathematics

1 answers

Lata Kumari 4 years, 6 months ago

Any number can be expressed as decimal numbers between 1 and 10 multiplied by a power of 10. This form of representation is termed as the standard form

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If we draw any line from the centre of the circle to the tangent, then find the angle between them

Posted by Yatharth Rana 4 years, 6 months ago

CBSE > Class 10 > Mathematics