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  1. Asked: May 13, 2020

    Why consumption of red meat and sea food should be reduced in hyperuricemia?

    knowithere LEVEL 21
    Added an answer on May 13, 2020 at 5:00 pm

    These food contain high amount of protein. Production of Uric acid is increased with higher intake of protein as Uric acid is formed as a byproduct of protein digestion. Hyperurecimia refers to increased Uric acid content in blood, to make it balanced, diets having high protein content should be avoRead more

    These food contain high amount of protein. Production of Uric acid is increased with higher intake of protein as Uric acid is formed as a byproduct of protein digestion.
    Hyperurecimia refers to increased Uric acid content in blood, to make it balanced, diets having high protein content should be avoided.

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  2. Asked: May 13, 2020

    Why is phenolpthalein not that much appropriate to identify a given solution is an acid,base and salt?

    knowithere LEVEL 21
    Added an answer on May 13, 2020 at 4:53 pm

    because It can identify basic from acidic or neutral solution only, by changing colour into pink in basic medium. It can't differentiate between acidic and neutral solution

    because It can identify basic from acidic or neutral solution only, by changing colour into pink in basic medium. It can’t differentiate between acidic and neutral solution

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  3. Asked: May 12, 2020

    what is gravity ?

    knowithere LEVEL 21
    Added an answer on May 13, 2020 at 3:57 pm

    The attraction force of the earth on the objective toward in centre with in it gravitational field is called gravity.

    The attraction force of the earth on the objective toward in centre with in it gravitational field is called gravity.

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  4. Asked: May 13, 2020In: Physics

    Why are soap bubbles almost perfect sphere?

    Kabindra Dhakal LEVEL 1
    Added an answer on May 13, 2020 at 3:06 am

    A soap bubbles has large surface area but its weight is negligible. It has the property of surface tension which makes the free surface of the soap bubble act as a stretched membrane. So it is almost perfect sphere.

    A soap bubbles has large surface area but its weight is negligible. It has the property of surface tension which makes the free surface of the soap bubble act as a stretched membrane. So it is almost perfect sphere.

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  5. Asked: May 13, 2020

    Why a helicopter has two propellers?

    Kabindra Dhakal LEVEL 21
    Added an answer on May 13, 2020 at 2:48 am

    The reason there are two propellers in a helicopter is because if there would be only one rotor, the helicopter would start rotating in the direction opposite to the movement of that rotor. The two rotors rotate in the opposite direction as to cancel the torque produced by one propeller. This makesRead more

    The reason there are two propellers in a helicopter is because if there would be only one rotor, the helicopter would start rotating in the direction opposite to the movement of that rotor. The two rotors rotate in the opposite direction as to cancel the torque produced by one propeller. This makes the helicopter stable and safe.

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  6. Asked: May 13, 2020

    How is a rainbow formed in the sky?

    Kabindra Dhakal LEVEL 21
    Added an answer on May 13, 2020 at 2:39 am

    Tiny droplets of water act as prisms of small angle. When white ray of light is passed through them present in air, it is dispersed which forms rainbow. Rainbow will be visible to an observer having sun at his/her back.

    Tiny droplets of water act as prisms of small angle. When white ray of light is passed through them present in air, it is dispersed which forms rainbow. Rainbow will be visible to an observer having sun at his/her back.

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  7. Asked: May 13, 2020

    Why are “blues”(NEER) added to clothes when washed?

    Kabindra Dhakal LEVEL 21
    Added an answer on May 13, 2020 at 2:29 am

    When clothes are washed again and again, the salts present in water as well as the detergent give them yellowish tint, making them look poor as them passes by. In order to get rid off them, there should be addition of some colour, which can offset the yellow colour. When the components of white coloRead more

    When clothes are washed again and again, the salts present in water as well as the detergent give them yellowish tint, making them look poor as them passes by. In order to get rid off them, there should be addition of some colour, which can offset the yellow colour. When the components of white colour(VIBGYOR) are observed, green is neutral and the colour which offsets yellow is blue. So “blues” are added to clothes.

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  8. Asked: May 13, 2020

    Why does food cook faster in a pressure cooker than in an open pot?

    Best Answer
    Kabindra Dhakal LEVEL 21
    Added an answer on May 13, 2020 at 2:17 am

    A pressure cooker is a closed vessel. When water is heated in it, pressure of water vapour above the water surface increases, so boiling point of water rises(since a liquid boils when its vapour pressure becomes equal to the pressure above its surface) above 100°C. It means, the same mass of water cRead more

    A pressure cooker is a closed vessel. When water is heated in it, pressure of water vapour above the water surface increases, so boiling point of water rises(since a liquid boils when its vapour pressure becomes equal to the pressure above its surface) above 100°C. It means, the same mass of water contains more amount of heat. As a result, the food is cooked faster in a pressure cooker.

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  9. Asked: May 13, 2020

    If a piece of lead(Pb) is hammered, it is found to be warmer, Why?

    Best Answer
    Kabindra Dhakal LEVEL 21
    Added an answer on May 13, 2020 at 2:07 am

    Hammering of a piece of lead(Pb) means transferring kinetic energy to the lead. This causes the molecular vibration to increase and hence the temperature of the lead will be raised. This is why the piece is found to be warmer.

    Hammering of a piece of lead(Pb) means transferring kinetic energy to the lead. This causes the molecular vibration to increase and hence the temperature of the lead will be raised. This is why the piece is found to be warmer.

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  10. Asked: May 12, 2020

    What is a tensor quantity?

    knowithere LEVEL 21
    Added an answer on May 13, 2020 at 2:05 am

    A tensor is a quantity, for example a stress or a strain, which has magnitude, direction, and a plane in which it acts. Stress and strain are both tensor quantities. In real engineering components, stress and strain are 3-D tensors. An example is the stress on a material, such as a construction beamRead more

    A tensor is a quantity, for example a stress or a strain, which has magnitude, direction, and a plane in which it acts. Stress and strain are both tensor quantities. In real engineering components, stress and strain are 3-D tensors.

    An example is the stress on a material, such as a construction beam in a bridge.

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