Chemistry The element used for making solar cells is Sodium Magnesium Silicon Calcium Sodium Magnesium Silicon Calcium ANSWER DOWNLOAD EXAMIANS APP
Chemistry Number of6.023 × 1020 atoms present in one mole of a gas at STP is '6.023 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 '6.023 × 10–20 6.023 × 1023 6.023 × 1020 '6.023 × 10–23 ANSWER DOWNLOAD EXAMIANS APP
Chemistry The high reactivity of fluorine is due to small size of fluorine atom strong F - F bond its high electro negativity availability of d-orbitals small size of fluorine atom strong F - F bond its high electro negativity availability of d-orbitals ANSWER DOWNLOAD EXAMIANS APP
Chemistry Major portion of the earth’s crust is mainly constituted by Silicon and Aluminium Oxygen and Iron Silicon and Iron Oxygen and Silicon Silicon and Aluminium Oxygen and Iron Silicon and Iron Oxygen and Silicon ANSWER DOWNLOAD EXAMIANS APP
Chemistry Water cycle refers to Scientific management of water in areas excessively plagued with water-logging Water distribution in relatively dry areas Constant movement of water from ocean to land and back to ocean once again An integrated attempt to recycle water in relatively arid regions Scientific management of water in areas excessively plagued with water-logging Water distribution in relatively dry areas Constant movement of water from ocean to land and back to ocean once again An integrated attempt to recycle water in relatively arid regions ANSWER DOWNLOAD EXAMIANS APP
Chemistry The absolute temperature of a gas is doubled and the pressure is reduced to half, the volume of the gas Will increase four-fold Will be reduced to half Will be doubled Remains unchanged Will increase four-fold Will be reduced to half Will be doubled Remains unchanged ANSWER DOWNLOAD EXAMIANS APP
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