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What is residual volume of lungs

Posted by Supriya Jagadev 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Deepakshi Kabra 4 years, 1 month ago

Residual volume (RV) is the volume of air remaining in the lungs after maximum forceful expiration. In other words, it is the volume of air that cannot be expelled, thus causing the alveoli to remain open at all times. The residual volume remains unchanged regardless of the lung volume at which expiration was started. Reference values for residual volume are 1 to 1.2 L, but these values are dependent on factors including age, gender, height, weight, and physical activity levels

ANSWER

Define electric current .

Posted by Vikashini M 4 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Aman Kumar Yadav 4 years, 1 month ago

The rate of flow of charge through a conductor is electric current

Akshat Holland Minettee 4 years, 1 month ago

Electric current can be defined as the rate of flow of electric charges through a cross section of a conductor per unit time. I=Q/t

Yogesh Kumar 4 years, 1 month ago

An electric current is a stream of charged particles, such as electrons or ions, moving through an electrical conductor or space. It is measured as the net rate of flow of electric charge through a surface or into a control volume.

Mithun M 4 years, 1 month ago

Electric current is the flow of electric chargy from high potential to low potential energy

ANSWER

Colour of phenolphthalien in basic solution

Posted by Yuganshu Jindal 4 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Binod Khana 4 years, 1 month ago

Pink

Ayush Mishra 4 years, 1 month ago

Pink colour in basic solution

ANSWER

What is the speed of different colours A.red B.blue C.green D.yellow E.voilet F.indigo G.orange

Posted by Pallavi B 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Kartikeya Srivastav 4 years, 1 month ago

Speed of evey wavelength of light is equal to 3×10^8 but their wave length are different that is why refractive index of every medium is different for every wavelength and can be found as n= A+B/lembda2+ C/lembda⁴.

ANSWER

Nikhil took Zn, Al, Cu, Fe, Mg, Na metals & put each metal in cold water and then hot water. He treated the metal with steam. Arrange the metals in the increasing order of their reactivity (a) Na<Mg<Al<Zn<Fe<Cu (b) Na>Mg>Al>Zn>Fe>Cu (c) Mg>Na>Zn>Al>Fe>Cu (d) Cu>Mg>Al>Zn>Fe>Na

Posted by 12M4 Megha Shyam J 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Vedika Tewari 4 years, 1 month ago

A) Na >Mg>Al>Zn>Fe>Cu

ANSWER

Puja mother forget to keep the dog in heat outside the on looking in the morning there's something in the flour.whether it is a physical change or chemical

Posted by Sakshi Upadhyay 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

King Of Gaming 4 years, 1 month ago

Physical

ANSWER

What do you meant by double circulation

Posted by Pooja Unnamalai Suresh 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Mehak Rai 4 years, 1 month ago

The circulation in which blood passes twice through the heart making one complete cycle is double circulation.

ANSWER

In a raindrop there is total internal reflection or internal reflection? Pls explain it briefly...

Posted by Preksha Mehta 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Manish Kumar 4 years, 1 month ago

What are light

ANSWER

What type of reaction is represented

Posted by ★Samyak Jain★ 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Sia ? 4 years, 1 month ago

Please ask question with complete information.

ANSWER

Mucus protect from which acid?

Posted by Akash Kumar 4 years, 1 month ago

CBSE > Class 10 > Science

5 answers

Preksha Mehta 4 years, 1 month ago

HCL

Sakshi Rai 4 years, 1 month ago

Hydrochloric acid

Reynu Dhamodharan ,,, 4 years, 1 month ago

Hydrochloric acid

Atul Kumar 4 years, 1 month ago

Normally mucus protects us from mucus and it also helps in protecting d inner lining of d stomach..

Akash Kumar 4 years, 1 month ago

Hydrochloric acid

ANSWER

Two bulbs ,one of 50 watt and another 25 watt are connected in series to the mains .the current flowing through them will be in the ratio:

Posted by Chesta Kataria 4 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Atul Kumar 4 years, 1 month ago

Current'll be equally divided in d fixed ratio as in the series connection divided the current in d equal amount to all the resistance ,which is connected in d series.

Nagi Reddy 4 years, 1 month ago

1:1 I series connection same current flows through all circuit elements

ANSWER

Why women do boxing in ufc

Posted by Rohan Kumar 4 years, 1 month ago

CBSE > Class 10 > Science

0 answers

ANSWER

(b) Write the relationship between resistance and electrical resistivity of the material of a conductor which is in the shape of a cylinder of length T and area of cross section 'A'. Hence derive the Si unit of electrical

Posted by Gagana Shree 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Gagana Shree 4 years, 1 month ago

Any answer plls

ANSWER

What is difference between excretion and egestion

Posted by Suraj Prajapati 4 years, 1 month ago

CBSE > Class 10 > Science

3 answers

Koyya Vamsi 4 years, 1 month ago

Prccess which purification of waste from biody called excretion,the process which waste coming out of body is called egestion

Akash Kumar 4 years, 1 month ago

The process of remove waste materials from body is known as exretion. While, the process of taking food inside the body is known as digestion.

Akshat Maroti 4 years, 1 month ago

Sl.NoEgestionExcretion1.It occurs via **** and sometimes via mouth.It occurs via urethra, skin or mouth.2.It is a portion of the digestion process.It is a totally different life process.3.The material that is egested as faeces.The products that are eliminated by excretion are urine, sweat and carbon dioxide.

ANSWER

Nbb

Posted by Abhishek Tripathi 4 years, 1 month ago

CBSE > Class 10 > Science

0 answers

ANSWER

How the water from roots to leaf surface for transpirate

Posted by Abhishek Tripathi 4 years, 1 month ago

CBSE > Class 10 > Science

3 answers

Pallavi B 4 years, 1 month ago

By transpiration

Reynu Dhamodharan ,,, 4 years, 1 month ago

Transpiration

Akash Kumar 4 years, 1 month ago

By the process of transportation

ANSWER

definitions of acid bases and salt in terms of furnishing of H and OH ions

Posted by Vaishali Singh 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Pavan Kumar Verma 4 years, 1 month ago

What is combination reaction

ANSWER

Write formula for ammonia

Posted by Satyam Kumar 4 years, 1 month ago

CBSE > Class 10 > Science

5 answers

Atul Kumar 4 years, 1 month ago

Nh3

Sakshi Kumari 4 years, 1 month ago

NH3

Lakshya Bhati 4 years, 1 month ago

NH3

Divyansh Dadheech 4 years, 1 month ago

NH3

Sanju Malakar Malakar 4 years, 1 month ago

Nh3

ANSWER

What is the name of AgCl³

Posted by Abhishek Tripathi 4 years, 1 month ago

CBSE > Class 10 > Science

5 answers

Jasnoor Kaur 4 years, 1 month ago

Silver chloride

Yuv Raj 4 years, 1 month ago

Silver(I) Chloride

Bhumi Ahuja 4 years, 1 month ago

Answerr:- Silver (I) choloride Hope it helps you

Jasleen Gill 4 years, 1 month ago

AgCL³ is Silver Chlorate.

Pankaj Yadav 4 years, 1 month ago

Silver chlorate

ANSWER

Phosphorus burns in oxygen to give phosphorus pentaoxide write chemical equation

Posted by Pankaj Yadav 4 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Bhumi Ahuja 4 years, 1 month ago

Answer:- P4+5O2→2P2O5 Hope it helps you

Pankaj Yadav 4 years, 1 month ago

P4+5o2-2p2o5

ANSWER

Describe how water and food transport in plants

Posted by Priyanka Devi 4 years, 1 month ago

CBSE > Class 10 > Science

3 answers

Koyya Vamsi 4 years, 1 month ago

The transportation happens through xylem and ploem. Xylem carries water and ploem carries food

Pankaj Yadav 4 years, 1 month ago

Nutrients are transported along with water to the entire plant via the vascular tissue called xylem. The vascular tissue for the transport of food to the various parts of the plant is phloem. ... Transpiration generates a force which pulls up water absorbed by the roots from the soil, to reach the stem and leaves

Abhishek Tripathi 4 years, 1 month ago

Water and food transport by the process of translocation Water-through the xylem Food-through the phloem

ANSWER

Describe how water a d food materials transport in plants

Posted by Priyanka Devi 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Pankaj Yadav 4 years, 1 month ago

Xylem and Phloem tissues are present throughout the plant. They begin at the root and then move up to the stem, branches, and leaves. The xylem tissue transports water and minerals from the roots to the leaves whereas the phloem tissue transports food from the leaves to the other parts of the plant

ANSWER

What is a kulumb

Posted by Jagan K.R. 4 years, 1 month ago

CBSE > Class 10 > Science

4 answers

Koyya Vamsi 4 years, 1 month ago

It was a SI unit of work done

Aman Kumar Yadav 4 years, 1 month ago

When 1 joule of work is done in 1 second is called 1 coloumb

Atul Kumar 4 years, 1 month ago

When a 1 joule of work is done in 1 sec then that amount is known as 1 coloumb

Rahul Kumar 4 years, 1 month ago

Unit of charge is coloumb

ANSWER

Is sublimation of Ammonium Chloride a chemical or physical change ? Explain.

Posted by Reddy Patnam 4 years, 1 month ago

CBSE > Class 10 > Science

3 answers

Kartikeya Srivastav 4 years, 1 month ago

Sublimation of any substance is always a physical change

Vatika Singal 4 years, 1 month ago

Chemical change is there.

Saroj Shukla 4 years, 1 month ago

It's a chemical change Because of its erreversible

ANSWER

15 M C Q on excretion

Posted by Divya Divya 4 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Bhumi Ahuja 4 years, 1 month ago

1).______ is considered as the basic functional unit of the human kidney A. Exon B. Nephron C. Cilia D. Neuron 2).The Krebs-Henseleit cycle is a sequence of biochemical reactions that take place in _______ A. Brain B. Liver C. Urinary bladder D. Lungs 3).Bowman capsule is located in _______ A. Cortex B. Henle’s loop C. Bladder D. None of the above 4).The __________ is the point where two or three major renal calyces join together. A. Renal pelvis B. Urethra C. Bowman’s capsule D. None of the above 5)._________ are tubes made up of smooth muscle fibres that transport urine to the bladder from the kidneys A. Renal Papilla B. Urethra C. Ureters D. None of the above 6).Nitrogenous wastes excreted through urine in humans is A Trimethylamine oxide B. Ammonia C. Uric Acid D. Urea 7).__________ is a distensible, hollow, muscular sac located in the pelvis, just behind the pubic bone. A. Bowman’s capsule B. Urinary bladder C Ureter D None of the above 8).The _______ synthesizes most of the excretory compound in humans and is eliminated through ________ A. Liver, Urine B. Kidneys, Urine C. Liver, Bile juice D. None of the above 9)._______ is responsible for the recovery of water and sodium chloride from the urine. A. Bowman’s capsule B. Ureter C. Loop of Henle D. None of the above 10).The ________ are kidney tissues that are shaped like cones. A. Renal pyramids B. Renal pelvis C. Renal calculi D. Renal vasculitis 10).________ are cells present in the Bowman capsule that wrap around the capillaries of the glomerulus. A. Zymogenic cells B. Enterochromaffin-like cells C. Parietal cells D. Podocytes 11).___________ is a condition characterized by the presence of red blood cells in the urine A. Haematoma B. Haematuria C. Haematemesis D. None of the above 12).__________ is a yellow pigment that is formed after dead blood cells are processed in the liver. It is also primarily responsible for the yellow colour of urine A. Zeaxanthin B. Urochrome C. Carotenoids D. None of the above 13)._______ produces urea as the excretory substance in the human body. A. Kidneys B. Liver C. Urinary bladder D. Digestive system 14).The __________ is a network of tiny blood vessels located at the beginning of a nephron. A. Renal calyces B. Renal pyramid C. Bowman’s capsule D. Glomerulus

Divya Divya 4 years, 1 month ago

In plants

ANSWER

when we store copper sulphate solution in zinc container

Posted by Bhoomi Dhanani 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Khyati Jain 4 years, 1 month ago

Displacement reaction takes place copper sulphate solution becomes zinc sulphate and copper gets displaced by zinc. CuSO4 + Zn -------- ZnSO4 + Cu

ANSWER

Some crystal of a copper sulphate were dissolved in water the colour of the solution obtained would be

Posted by Utkarsh Rana 4 years, 1 month ago

CBSE > Class 10 > Science

2 answers

Vatika Singal 4 years, 1 month ago

Blue will be get.

Pushkar Sharma 4 years, 1 month ago

Blue

ANSWER

Give reason why nitric acid cannot be used to obtain hydrogen gas from metals

Posted by Varsha Sanivada 4 years, 1 month ago

CBSE > Class 10 > Science

3 answers

Reynu Dhamodharan ,,, 4 years, 1 month ago

Nitric acid is strong oxidising agent . It oxidises the hydrogen formed by water.

Debadrita Mandal 4 years, 1 month ago

... Actually the main thing is Nitric acid is strong oxidising agent . It oxidises the hydrogen formed by water.

Debadrita Mandal 4 years, 1 month ago

-As we know that nitric acid has another name that is aqua fortis which is a highly corrosive acid. The molecular formula of nitric acid consists of one hydrogen, one nitrogen and 3 oxygen molecules. -Also, nitric acid is also a strong oxidising agent because it can oxidise other molecules by giving an oxygen molecule and reduces itself. -Now, we know that hydrogen gas consists of two atoms of hydrogen which combine when metal and water react together. -Metals such as sodium, magnesium, manganese, etc can be used to react with a cheap compound that is water to liberate the hydrogen gas. -The balanced chemical reaction is: 2Na + 2H2O → 2NaOH + 2H2 -But if we use the dilute nitric acid then it will act as an oxidising agent and react with hydrogen gas to produce water molecules. -As we can see in the chemical reaction: 2HNO3 + H2 → 2H2O + 2NO2 Therefore, due to the oxidation of hydrogen gas by dilute nitric acid, nitric acid is not used for the preparation of hydrogen gas.

ANSWER

Identify the substance oxidised reduced oxidising agent reducing agent in the following the reaction 2Na(s)+2H2o (l)------>2Na^+(aq)+2OH^_(aq)+h2(g)

Posted by Afiya Amanulla 4 years, 1 month ago

CBSE > Class 10 > Science

0 answers

ANSWER

what is per capita income mention any two limitation of per capita income as an indicator of development

Posted by Jagadish Acharya 4 years, 1 month ago

CBSE > Class 10 > Science

1 answers

Balraj Ajmera 4 years, 1 month ago

Average income is known as per capita income

ANSWER

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