CBSE > Class 10 > Science | CBSE Board | Homework Help

Red litmus is a litmus paper which show that the compound is acidic or basic if it cannot change so compound is acidic if it is change in blue color so the compound is basic

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Name the gland and the hormone secreted by it in scary situation in human beings list any two reason shown by our body when the hormone is secreted into blood

Posted by Gaganashree M 2 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Vansh Sharma 2 years, 1 month ago

What is the best for your smartphone

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Ishika .. 2 years, 1 month ago

The hormone secreted in scary situations is adrenaline hormone it is also known as flight and fight hormone. The reasons shown in our body when adrenaline hormone is secreted - it lead to increase in heart rate and increase in blood pressure

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Enlist plant hormone and comment on their roles in plant body?

Posted by Rajeev Ranjan 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Devika Prajapati 2 years, 1 month ago

Auxin are the plant hormone which help in cell inlargment and differentiation and also help in fruit growth

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Define all law given by Mandel

Posted by Kritant Gupta 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Rajeev Ranjan 2 years, 1 month ago

Mendal carried out several experiment on garden pea plant.Mendal selected garden pea( pisum sativum) for series of hybrid isation experiment because it has some special feature:- * Easy to grow *It has short life span and there for it is a possible to study number of generation in less time * Easily detectable contrasting variant of feature. He noted 7 pair of contrasting character * Each pea plant produce many seed in one generation and all seed are fertile.

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The image formed by convex mirror of focal length 20 cm is a quarter of the object what is the distance of the object from the mirror.

Posted by Arpita Sinha 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Nethravathi N. 2 years, 1 month ago

-3/20cm

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The following figures show the path of light rays through three lenses marked L1,L2 and L3 and their focal points F1, F2 and F3, respectively.

Posted by Yashwanth Tilla 2 years, 1 month ago

CBSE > Class 10 > Science

0 answers

ANSWER

What is the other name of non-balanced equation

Posted by Sahil Sinha 2 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Shubham Yadav 2 years, 1 month ago

Unbalanced equation

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Rajeev Ranjan 2 years, 1 month ago

Skeleton equation

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Yashwanth Tilla 2 years, 1 month ago

skeletal equation

3Thank You

Dipanshu Mahlawat 2 years, 1 month ago

Skeletal equation

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ANSWER

What is reproduction and why is it necessary??

Posted by Umama Zainab Siddiqui 2 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Jaswant Kumar 2 years, 1 month ago

To continue the same speices on earth

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Sahil Sinha 2 years, 1 month ago

It is a process in which we get new generation from it. It is necessary to prevent the extinction of human race

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Prateek boug Pratik bought a new battery for his laptop as the battery will not stay charge for more than 5 minutes he learn that the particular battery consists of cells combined together in a particular manner

Posted by Ak Vijeesh Vijeesh 2 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Ak Vijeesh Vijeesh 2 years, 1 month ago

Sure why not

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Sahil Sinha 2 years, 1 month ago

Can you please state this question properly

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Ak Vijeesh Vijeesh 2 years, 1 month ago

Welcome

1Thank You

Ashmitha M 2 years, 1 month ago

Don't now

4Thank You

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What nature convergent divergent of combination of a convex lens of power 4D and concave lens of power -2D

Posted by Balinder Virwal 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Student Pro 2 years, 1 month ago

If the power of the convex lens is greater than the power of the concave lens, the combination will act as a converging lens

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ANSWER

What is opposite of Respiration

Posted by Khushbu Meena 2 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Sahil Sinha 2 years, 1 month ago

Respiration is known as exchange of oxygen and cabon dioxide

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Student Pro 2 years, 1 month ago

Photosynthesis and cellular respiration are almost opposite because photosynthesis takes in CO2 and releases oxygen whereas cellular respiration takes in oxygen and releases CO2.

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Abhinav Kumar 2 years, 1 month ago

Photosynthesis

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Abhishek Choudhury 2 years, 1 month ago

Choking

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I am so depressed because of pre board and my mother pressure

Posted by Chris Hemsworth 2 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Chris Hemsworth 2 years, 1 month ago

I tell here

1Thank You

Sahil Sinha 2 years, 1 month ago

My honest reaction: yowaimo

1Thank You

Student Pro 2 years, 1 month ago

You have to work hard as only 2 months are left you have to focus on board exams not on pre boards

4Thank You

Khushbu Meena 2 years, 1 month ago

Please tell your mother not give pressure on you because pre board is not big issue behind board

5Thank You

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How does paramecium obtain it's food?

Posted by Balinder Virwal 2 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Kunal Rana 2 years, 1 month ago

Through oesophagus

1Thank You

Student Pro 2 years, 1 month ago

Paramecium is a single-celled protozoan. The hair-like structures called cilia present on the paramecium help in collecting the food and movement. They sweep the food inside the paramecium through the oral groove.

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1. If a current ‘I’ flows through a conductor of resistor ‘R’ on applying a potential difference ‘V’, how much power is available in the circuit? Write various formulas for power. Also if the circuit remains on for a time ‘t’, how much heat will be developed across the resistor? Write various formulas for the same. 2. How are voltmeters and ammeters connected in any electrical circuit? Why? What values do they measure in the circuit? 3. (a) Draw the nature of the V-I graph for a nichrome wire. (b) A metallic wire of 625 mm length offers a 4 Ω resistance. If the resistivity of the metal is 4.8 x 10-7 ohm-meter then calculate the area of cross-section of the wire. 4. An electric heater rated 800 W operates 6h/day. Find the cost of energy to operate it for 30 days at Rs. 3.00 per unit.

Posted by Joy Daga 2 years, 1 month ago

CBSE > Class 10 > Science

0 answers

ANSWER

What are the properties of Ethanoic Acid?

Posted by Babita Pandey 2 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Lakshana S 2 years, 1 month ago

(i) vinegar like smell (ii) sour taste (iii) it is acidic in nature it turns blue litmus to red

0Thank You

Sumit Dagur 2 years, 1 month ago

Chall

1Thank You

Muskan कुमारी 2 years, 1 month ago

(i) Colour less (ii) Pleasent smell

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Anusmita Agarwal 2 years, 1 month ago

Baal

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ANSWER

What is called master gland in our body...?

Posted by Sakshi Sharma 2 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Student Pro 2 years, 1 month ago

The pituitary gland is sometimes called the "master" gland of the endocrine system because it controls the functions of many of the other endocrine glands. The pituThe pituitary gland is sometimes called the "master" gland of the endocrine system because it controls the functions of many of the other endocrine glands. The pituitary gland is not longer than pea and is located in brain

3Thank You

Ishaan Jain 2 years, 1 month ago

Pitutory gland

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Joy Daga 2 years, 1 month ago

Pituitary gland

1Thank You

Vishal Nitesh 2 years, 1 month ago

Pitutari gland

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ANSWER

What is double dislesment reaction

Posted by Damor Indra 2 years, 1 month ago

CBSE > Class 10 > Science

3 answers

Damor Indra 2 years, 1 month ago

Explain the properties of ionic compound

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Vishal Nitesh 2 years, 1 month ago

Exchange of ions

2Thank You

Ashish Prajapati 2 years, 1 month ago

Yaar double displacement hota hai

2Thank You

ANSWER

Difference between veins and arteries

Posted by Puneet Birda 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Sakshi Sharma 2 years, 1 month ago

•°•...Arteries carry blood away from the heart and veins carry blood towards the heart...•°•

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ANSWER

Acid are taste in

Posted by @Golu Yadavanshi 2 years, 1 month ago

CBSE > Class 10 > Science

5 answers

Nishita Narwat 2 years, 1 month ago

Acid are sour in taste

1Thank You

Shivi Dimri 2 years, 1 month ago

Acid is sour in taste

1Thank You

Nitish Kumar 2 years, 1 month ago

Sour

1Thank You

Falak Parween Class-9D 2 years, 1 month ago

Sour

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Shivang Dubey 2 years, 1 month ago

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3Thank You

ANSWER

Balanced equation 👈👉

Posted by Krishna Sharma 2 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Piyush Kumar 2 years, 1 month ago

To follow the Law of conservation of Mass

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Khushbu Meena 2 years, 1 month ago

Example, 2Mg + O2= 2Mgo

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Khushbu Meena 2 years, 1 month ago

Equation is balanced because law of conservation of mass

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Krishna Sharma 2 years, 1 month ago

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Unknown resistance X is joined parallel to a resistance of 20ohm. To this combination a battery of 2V and resistance of 10ohm are joined in series.If the current passing through X is 0.05A,find value of X

Posted by Chiranthana N 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Ak Vijeesh Vijeesh 2 years, 1 month ago

4ohms

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ANSWER

formation of image by convex mirror

Posted by Prince Raj 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Ashish Prajapati 2 years, 1 month ago

Real

0Thank You

ANSWER

Which metal reacts only with steam

Posted by Harsh Yadav 2 years, 1 month ago

CBSE > Class 10 > Science

3 answers

Disha Sharma 2 years, 1 month ago

Iron

1Thank You

Nishita Narwat 2 years, 1 month ago

Metals are like al ,zn Fe they don't react with hot water either cold water they reach with steam water

2Thank You

Tarun Mehra 2 years, 1 month ago

OK beta good question but Metals like aluminium, zinc, iron do not react with hot and cold water they react only with steam to form a metal oxide and hydrogen .

3Thank You

ANSWER

rspl1 question paper

Posted by Janagivetri Janagivetri 2 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Madeeha Sheikh 2 years, 1 month ago

What is the nature of zinc oxide

1Thank You

ANSWER

rspl 1 solution

Posted by Janagivetri Janagivetri 2 years, 1 month ago

CBSE > Class 10 > Science

0 answers

ANSWER

NAme Any three Natural INdicators

Posted by Md,Moinuddin Ansari 2 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Shivi Dimri 2 years, 1 month ago

Natural indicators are 1. Litmus paper, 2.turmeric, 3.red cabbage leaves...

1Thank You

Mayank Saarthak 2 years, 1 month ago

Litmus paper, red cabbage leaves, turmeric

1Thank You

Nikki Chaudhary 2 years, 1 month ago

Litmus paper , turmeric and red cabbage leaves

1Thank You

Mayank Kumar Rajput 2 years, 1 month ago

1.turmeric 2.methly orange 3.litmus paper

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ANSWER

What is An indicators

Posted by Md,Moinuddin Ansari 2 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Nikki Chaudhary 2 years, 1 month ago

An indicator ia dye which indicates the presence of acid and base in substance

1Thank You

Mayank Kumar Rajput 2 years, 1 month ago

To state whether it is acid or a base

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ANSWER

What are transitional traids?

Posted by Aditya Pujaryi 2 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Bhawna Bisht 2 years, 1 month ago

Don't post personal information, mobile numbers and other details.
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Aditya Pujaryi 2 years, 1 month ago

What are transitional traids?

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ANSWER