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The clouds consist of charged particles ...

The clouds consist of charged particles of water dispersed in air. Some of them are +vely charged, other are -vely charged. When +vely charged clouds come closer they cause lightening and thundering whereas when +ve and -ve charged colloid come closer they cause heavy rain by aggregation of minute particles. It is possible to cause artificial rain by throwing electrified sand or silver iodic from an aeroplane and thus coagulating the mist hanging in air.
Smoke screen is a cloud of smoke used to hide military, naval police etc. It consists of fine particles of `TiO_(2)`.
AgI helps in artificial rain because :

A

it helps in ionisation of water

B

it helps in dispersion process

C

it hels in coagulation

D

all of them

Text Solution

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The correct Answer is:
C
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Comprehension # 2 The clouds consist of charged particles of water dispersed in air. Some of them are +vely charged, others are -vely charged. When +vely charged clouds come closer they cause lightening and thundering whereas when +ve and -ve charged colloids come closer they cause heavy rain by aggregation of minute particles. It is possible to cause artificial rain by throwing electrified sand or silver iodide from an aeroplane and thus coagulating the mist hanging in air. Smoke screen is a cloud of smoke used to hide military, naval police etc. it consists of fine particles of TiO_(2) . Agl helps in artificial rain because :

The clouds consist of charged particles of water dispersed in air.Some of them are +vely charged, others are -vely charged.When +vely charged clouds come closer they cause lightening and thundering whereas when +ve and -ve charged colloids come closer they cause heavy rain by aggregration of minute particles.It is possible to cause artifical rain by throwing electrified sand or silver iodide from an aeroplane and thus coagulating the mist hangind in air. Smoke screens consist of

The clouds consist of charged particles of water dispersed in air. Some of them are +vely charged, other are -vely charged. When +vely charged clouds come closer they cause lightening and thundering whereas when +ve and -ve charged colloid come closer they cause heavy rain by aggregation of minute particles. It is possible to cause artificial rain by throwing electrified sand or silver iodic from an aeroplane and thus coagulating the mist hanging in air. Smoke screen is a cloud of smoke used to hide military, naval police etc. It consists of fine particles of TiO_(2) . Smoke screens consist of :

The clouds consist of charged particles of water dispersed in air. Some of them are +vely charged, other are -vely charged. When +vely charged clouds come closer they cause lightening and thundering whereas when +ve and -ve charged colloid come closer they cause heavy rain by aggregation of minute particles. It is possible to cause artificial rain by throwing electrified sand or silver iodic from an aeroplane and thus coagulating the mist hanging in air. Smoke screen is a cloud of smoke used to hide military, naval police etc. It consists of fine particles of TiO_(2) . When excess of AgNO_(3) is treated with KI solution, AgI forms :

The clouds consist of charged particles of water dispersed in air.Some of them are +vely charged, others are -vely charged.When +vely charged clouds come closer they cause lightening and thundering whereas when +ve and -ve charged colloids come closer they cause heavy rain by aggregration of minute particles.It is possible to cause artifical rain by throwing electrified sand or silver iodide from an aeroplane and thus coagulating the mist hangind in air. Agl helps in artificial rain because :

The clouds consist of charged particles of water dispersed in air.Some of them are +vely charged, others are -vely charged.When +vely charged clouds come closer they cause lightening and thundering whereas when +ve and -ve charged colloids come closer they cause heavy rain by aggregration of minute particles.It is possible to cause artifical rain by throwing electrified sand or silver iodide from an aeroplane and thus coagulating the mist hangind in air. When excess of AgNO_3 is treated with KI solution, Agl forms