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Ask QuestionPosted by Varshini Nachinarkkiniyan 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
Monomial
A monomial is an algebraic expression that has only one non zero term. Examples of a monomial expression:
- 10ab2 is a monomial in two variables a and b.
- 5m2n is a monomial in two variables m and n.
Binomial
A binomial is an algebraic expression that has two non-zero terms. Examples of a binomial expression:
- a2 + 2b is a binomial in two variables a and b.
- 5x3 – 9y2 is a binomial in two variables x and y.
Trinomial
A trinomial is an algebraic expression that has three non-zero terms. Examples of a trinomial expression:
- x + y + z is a trinomial in three variables x, y and z.
- 2a2 + 5a + 7 is a trinomial in one variables a.
Posted by Dhruv Gupta 5 years, 5 months ago
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Vaishnavi Dabhade 5 years, 4 months ago
Gaurav Seth 5 years, 5 months ago
Avul Pakir Jainulabdeen Abdul Kalam
Dr APJ Abdul Kalam, the former Indian President and recipient of Bharat Ratna award. His full name is Avul Pakir Jainulabdeen Abdul Kalam and he was an aerospace scientist. He was India's 11th President, who served from 2002 to 2007, and was widely referred to as the people's President besides being credited for India's civilian space programme and military missile systems. His contribution towards the field of space sciences has been immense and for this reason, he is also fondly called the "Missile Man".
Posted by Vikas Dawar 5 years, 5 months ago
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Posted by Naman Kushwah 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
1 Hour = 60 minutes
=> 1 Hour 10 minutes = 60 + 10 = 70 Minutes
(1/5) of 1 hour 10 minutes
= (1/5) 70 Minutes
= 14 Minutes
(1/5) of 1 hour 10 minutes = 14 Minutes
14 minutes = 14/60 Hours
= 7/30 Hours
Posted by Dnyaneshwar Chormale 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
A virtual image is formed when reflected rays appear to meet. Such images cannot be obtained on screen. Plane mirrors, convex mirror and concave lens always forms virtual image.
Posted by Yogesh Bhai 5 years, 5 months ago
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Meghna Thapar 5 years, 5 months ago
Capillary action is important for moving water (and all of the things that are dissolved in it) around. It is defined as the movement of water within the spaces of a porous material due to the forces of adhesion, cohesion, and surface tension. Adhesion of water to the walls of a vessel will cause an upward force on the liquid at the edges and result in a meniscus which turns upward. The surface tension acts to hold the surface intact. Capillary action occurs when the adhesion to the walls is stronger than the cohesive forces between the liquid molecules.
Posted by Abhishek Kumar Bachchan 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
The homes of the ants are called ‘nests’ or ‘anthills’. Each nest has hundreds of little rooms and passages. The queen ant lays eggs in some of the rooms. Other rooms serve as nurseries for the gurbs ( young ants). Some rooms serve as store houses for food. Some rooms serve as reserved quarters for workers or barracks for soldiers. Cleaners also live in the nests.
Posted by Jatin Pujari 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
Laboratory thermometer
- Clinical thermometer can never be used for measuring the temperature of any object other than human body.
- It is used to measure the temperatures in school or other laboratories for scientific purpose as they measure temperatures to a range higher than clinical thermometers.
- One such thermometer is known as the laboratory thermometer with a scale generally ranging from –10°C to 110°C. It has a long stem with a silver bulb at the end unlike clinical thermometer.
- The silver colour at the bulb normally points toward the presence of mercury which expands with the rise in temperature thereby raising the reading and contracts on lowering of temperature thereby lowering the reading.
Posted by Jhansi Rani 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
• “Here comes someone running.” – The hermit to the king
Posted by Parmita Parashar 5 years, 5 months ago
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Gaurav Seth 5 years, 5 months ago
Pollination
Transfer of pollen grains from anther to stigma is termed as Pollination. This transfer of pollen grains occurs with the help of pollinating agents like wind, water, insects, birds etc.
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Varshini Nachinarkkiniyan 5 years, 5 months ago
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Varshini Nachinarkkiniyan 5 years, 5 months ago
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Yogita Ingle 5 years, 5 months ago
The formula of acetic acid is CH3COOH and the formula of sodium hydrogen carbonate is NAHCO3.
When they are mixed they react and produce carbon dioxide gas that erupts out as bubbles from the solution producing water also.
The formula is CH3COOH + NAHCO3 → CH3COONA + H2O + CO2
Posted by Ishika Singh 5 years, 5 months ago
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Nandini. Saroj. 5 years, 5 months ago
Yogita Ingle 5 years, 5 months ago
Digital Thermometer: In digital thermometer, reading of temperature is displayed digitally as in digital watches. This is safer because no mercury is used in this. It is important to note that mercury is a highly toxic substance.
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Gaurav Seth 4 years, 9 months ago
The first vice president of India, Sarvepalli Radhakrishnan, took oath at Rashtrapati Bhavan on 13 May 1952. He later served as the president. Following the death of Zakir Hussain in 1969, V. V. Giri resigned from the post of vice president to contest the presidential election and got elected.
| Sarvepalli Radhakrishnan | 13 May 1952 – 12 May 1957
13 May 1957 – 12 May 1962 |
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Varshini Nachinarkkiniyan 5 years, 5 months ago
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