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Prasant

Asked: December 27, 2023In: Class 10 Science

A metal X is obtained from its chloride salt by exposure to sunlight. (a) In which section of the reactivity series of metals- top, middle or bottom, is it likely to be placed? Justify your answer. (b) Identify the type of reaction the chloride salt of metal X undergoes on exposure to sunlight.

Exposure of certain metals to sunlight may lead to photochemical reactions, causing oxidation or corrosion. Ultraviolet (UV) radiation can accelerate these processes, affecting the appearance and properties of the metal.

Prasant

Asked: December 27, 2023In: Class 10 Science

A helical coil whose length is greater than its diameter is connected to a battery as shown below. (a) How does the magnetic field at point P compare with the magnetic field at point Q? Justify your answer. (b) State one way in which the strength of the magnetic field inside a current carrying helical coil can be changed?

A helical coil is a structure formed by winding a flexible material, like a tube or wire, into a spiral shape. It is commonly used in heat exchangers and other fluid systems.

Srushti

Asked: December 27, 2023In: Class 10 Science

Proteinuria is a condition in which significant amounts of protein can be detected in urine. Which process in the nephron is likely to be affected causing proteinuria? Justify.

Proteinuria is the presence of excess proteins in urine, indicating potential kidney dysfunction. It can result from various conditions, such as kidney disease or inflammation. Monitoring and addressing underlying causes are crucial.

Srushti

Asked: December 27, 2023In: Class 10 Science

A plant X was enclosed in a glass jar with some lizards. A similar plant Y was enclosed in another glass jar but without lizards. Both the jars are kept under the same light conditions for a few hours. Which plant is likely to photosynthesize more and why?

Photosynthesis is the process by which plants, algae, and some bacteria convert sunlight into energy, producing glucose and oxygen from carbon dioxide and water in chloroplasts.

Kiara Singh

Asked: December 26, 2023In: Class 10 Science

In the above circuit, if the current reading in the ammeter A is 2A, what would be the value of R1?

An ammeter measures electric current in amperes within an electrical circuit. A circuit is a closed loop of conductive elements where electrons flow. Ammeters help monitor and control current flow.

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A metal X is obtained from its chloride salt by exposure to sunlight. (a) In which section of the reactivity series of metals- top, middle or bottom, is it likely to be placed? Justify your answer. (b) Identify the type of reaction the chloride salt of metal X undergoes on exposure to sunlight.

Proteinuria is a condition in which significant amounts of protein can be detected in urine. Which process in the nephron is likely to be affected causing proteinuria? Justify.

A plant X was enclosed in a glass jar with some lizards. A similar plant Y was enclosed in another glass jar but without lizards. Both the jars are kept under the same light conditions for a few hours. Which plant is likely to photosynthesize more and why?

In the above circuit, if the current reading in the ammeter A is 2A, what would be the value of R1?

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