Chemistry - s Block Elements
Practise 27 BITSAT previous year questions on s Block Elements, compiled from papers spanning 2009 to 2024. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty BITSAT tests.
s Block Elements has been asked in 16 of the 16 years of BITSAT papers analysed (2009–2024), with 27 questions in all. 56% of them were easy, 41% moderate and 4% tough. Most of its questions came from 2024, with 3 questions that year. In the last three years (2022–2024) it had 6 questions across 5 papers, about 1.2 per paper.
The chapter's 5 topics are not weighted equally: General Characteristics of Alkali Metals (8 questions, 30%), Compounds of Alkali Metals (7 questions, 26%), and Alkaline Earth Metals (4 questions, 15%) have been asked the most. General Characteristics of Alkali Metals has also led over the last five years, with 4 questions. Compounds of Alkali Metals has produced the most tough questions (1).
- 1Thermal decomposition of lithium nitrate gives2024 (Memory Based Paper 1)General Characteristics of Alkali Metals
- 2The correct order of melting points of the following salts is2024 (Memory Based Paper 2)General Characteristics of Alkali Metals
- 3Which among the following is used in detergent2024 (Memory Based Paper 2)Compounds of Alkali Metals
- 4Which of the following will precipitate first when aqueous solution containing sulphate ions are added?2023 (Memory Based Paper 1)Alkaline Earth Metals
- 5Magnesium burns in to form2023 (Memory Based Paper 2)Compounds of Alkaline Earth Metals
- 6Which of the following compounds is thermodynamically is the most stable?2022Properties of S-block elements
- 7Which of the following has minimum melting point?2021General Characteristics of Alkali Metals
- 8Two elements and have similar chemical properties. They don't form solid hydrogencarbonates, but react with nitrogen to form nitrides. A and2021General Characteristics of Alkali Metals
- 9is soluble in water whereas fluorides of other alkaline earth metals are insoluble because of2020Alkaline Earth Metals
- 10The correct order of mobility of alkali metal ions in aqueous solution is-2019General Characteristics of Alkali Metals
- 11Which of the following salt would give SO 2 with hot and dil H 2 SO 4 and also decolourises Br 2 water?2019Compounds of Alkali Metals
- 12Which of the following property of alkaline earth metal increases with their atomic number?2018Compounds of Alkali Metals
- 13Choose the incorrect statement.2017Properties of S-block elements
- 14Sodium sulphate is soluble in water but barium sulphate is insoluble because2017General Characteristics of Alkali Metals
- 15Which of the following elements mostly form covalent compounds?2017Compounds of Alkali Metals
- 16Which of the followings forms the base of talcum powder?2016Compounds of Alkaline Earth Metals
- 17The by product of Solvay-ammonia process is2015Compounds of Alkali Metals
- 18Thomas slag is2015Compounds of Alkaline Earth Metals
- 19Which of the following among alkalimetal is most reactive?2014General Characteristics of Alkali Metals
- 20The alkali metals form salt-like hydrides by the direct synthesis at elevated temperature. The thermal stability of these hydrides decreases2013General Characteristics of Alkali Metals
- 21Which of the following has correct increasing basic strength?2012Alkaline Earth Metals
- 22Beryllium and aluminium exhibit many properties which are similar. But, the two elements differ in2011Properties of S-block elements
- 23When a crystal of caustic soda is exposed to air, a liquid layer is deposited because :2011Compounds of Alkali Metals
- 24Sodium peroxide in contact with moist air turns white due to formation of:2010Compounds of Alkali Metals
- 25Beryllium resembles much with :2009Properties of S-block elements
- 26The value of is maximum for2009Compounds of Alkaline Earth Metals
- 27For making good quality mirrors, plates of float glass are used. These are obtained by floating molten glass over a liquid metal which does 2009Alkaline Earth Metals
Frequently Asked Questions
1.How many questions are available for s Block Elements?
This chapter includes 27 questions compiled from BITSAT papers spanning 2009 to 2024.
2.Are these questions only from BITSAT, or from other exams too?
These are BITSAT questions specifically for the s Block Elements chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.
3.Is s Block Elements an important chapter for BITSAT Chemistry?
s Block Elements has appeared in 16 of the 16 years of BITSAT papers covered here, with 27 questions across 18 papers - about 2 per paper it appears in.
4.What is the difficulty level of s Block Elements questions in BITSAT?
Of the 27 questions analysed for this chapter, 56% are easy, 41% moderate and 4% tough. 2024 had the most, with 3 questions.
5.Which topics in s Block Elements should I focus on?
These topics have carried the most weightage in s Block Elements:
- General Characteristics of Alkali Metals - 8 questions (30%)
- Compounds of Alkali Metals - 7 questions (26%)
- Alkaline Earth Metals - 4 questions (15%)
- Compounds of Alkali Metals has produced the most tough questions (1).
6.Is s Block Elements's weightage in BITSAT going up or down?
Across all 18 papers analysed, s Block Elements has averaged about 1.5 questions per paper. In the last three years (2022–2024), that average has fallen, at about 1.2 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.