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ICSE Class X Prelims 2024 : Chemistry (Bishop Moore Vidyapith (BMVM), Mavelikara, Alappuzha) | |
1) Propanoic acid: CH3CH2COOH (2) 2-bromopropane: CH3CHBrCH3 ish |
ICSE Class X Prelims 2024 : Chemistry (Bishop Moore Vidyapith (BMVM), Mavelikara, Alappuzha) | |
The molecular formula of butanoic acid is C4H8O2 but its empirical formula is CH2O. This is obtained by dividing all subscripts by the greatest common factor. milaan_ghost |
ICSE Class X Prelims 2024 : Chemistry (Bishop Moore Vidyapith (BMVM), Mavelikara, Alappuzha) | |
(b) Mass of nitric acid used: 5g ishan61 |
ICSE Class X Prelims 2024 : Chemistry (Bishop Moore Vidyapith (BMVM), Mavelikara, Alappuzha) | |
b) Balanced equation for Sodium Carbonate with Hydrochloric Acid: 2Na2CO3 + 2HCl -> 2NaCl + CO2 + H2O isha17 |
ICSE Class X Prelims 2024 : Chemistry (Bishop Moore Vidyapith (BMVM), Mavelikara, Alappuzha) | |
(a) Balanced equation for Carbon with Concentrated Sulphuric Acid: C + 2H2SO4 -> CO2 + 2SO2 + 2H2O (b) Balanced equation for Sodium Carbonate with Hydrochloric Acid: 2Na2CO3 + 2HCl -> 2NaCl + CO2 + H2O uma_didi |
ICSE Class X Prelims 2024 : Chemistry (Bishop Moore Vidyapith (BMVM), Mavelikara, Alappuzha) | |
The molar volume ratio of gases (X) in the reaction is as follows: ammonia (NH3) - 2, sulfur dioxide (SO2) - 1, chlorine (Cl2) - 2. Therefore, for every 20 litres, ammonia takes 2 parts, sulfur dioxide takes 1 part, and chlorine takes 2 parts in terms of volume. soniya7 |
ICSE Class X Prelims 2024 : Chemistry (Bishop Moore Vidyapith (BMVM), Mavelikara, Alappuzha) | |
The other cation is not charged at the cathode during electrolysis using platinum electrode because it is less reactive compared to the cation that gets reduced at the cathode. Platinum is inert and does not participate in the reaction, hence it does not deposit any metal from less reactive cations. belieber_not |
ICSE Class X Prelims 2024 : Chemistry (Bishop Moore Vidyapith (BMVM), Mavelikara, Alappuzha) | |
Fluorine(F) springy |
ICSE Class X Prelims 2024 : Chemistry (Bishop Moore Vidyapith (BMVM), Mavelikara, Alappuzha) | |
Potassium(K) veena_j |
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