Chemistry - MOST IMPORTANT SSC Stenographer Previous Year Questions
Practice real questions from previous year exams of SSC Stenographer.
In acetylene (C 2 H 2 ), hybridzation of carbon atoms is:
Which detergents are also used in toothpaste?
Which of the following is NOT used as food preservative?
Identify the INCORRECT statement regarding the halogens group in the periodic table.
Identify the correct statement related to metallic character.
What food items are most commonly affected by the adulteration of Sudan dyes?
Identify the atomic number of an element that belongs to group 17.
Which element is the first element in group 13 of the periodic table?
Identify an element that does NOT belong to period 4.
What is the name of the solution that is employed to identify the existence of starch in food?
Identify the element with an electronic configuration 2,8,1 from among the following options.
Which of the following elements is responsible for high Blood Pressure?
Which of the following has the highest density?
Identify the odd option from among the following.
Match the column: Column A (Conductor Type) A. Metal, B. Ionised gas, C. Electrolyte; Column B (Mobile Charge Carriers) 1. Positive and negative ions, 2. Electrons and positively charged ions, 3. Electrons
Which of Rutherford's experimental observations led him to conclude that the positive charge of an atom is concentrated in a very small region?
Read the following statements carefully: Statement I: A pressure cooker operates by decreasing the pressure inside, which lowers the boiling point of water. Statement II: Food cooks faster in a pressure cooker because the higher pressure allows water to boil at a temperature above 100 °C. Statement III: The superheated steam within the cooker increases the rate of heat transfer to the food, leading to faster cooking. Which of the statements given above is/are correct?
What is the boiling point of water at sea level?
According to Bohr's model, what is the significance of an electron transition from a higher energy orbit to a lower energy orbit?
A heating element of a heater is made of a material with high resistivity and high melting point. Which of the following material properties is most crucial for its function as a heating element?