Science Questions
All Science MCQs for CTEVT entrance exam.
What is the value of the gas constant R in SI units?
Which of the following is the balanced equation for the reaction of Sodium with Water?
Which of the following substances is used to slow down the setting of cement (acting as a negative catalyst/inhibitor)?
What mass of $CO_2$ is produced by the complete combustion of 3g of Carbon?
What type of reaction is the decomposition of vegetable matter into compost?
In the reaction $3MnO_2 + 4Al \rightarrow 3Mn + 2Al_2O_3$, which substance is being reduced?
A student adds a piece of copper to a solution of silver nitrate. What will be observed?
What is the percentage of Oxygen in Calcium Carbonate ($CaCO_3$)? (Ca=40, C=12, O=16)
The reaction $C + O_2 \rightarrow CO_2 + 393.5 kJ$ is an example of:
What is the oxidation number of Cr in $K_2Cr_2O_7$?
Which of the following is NOT a balanced equation?
What is the product when Ethene ($C_2H_4$) reacts with Hydrogen in the presence of Nickel catalyst?
Which of the following describes the 'Law of Definite Proportions'?
What is the molarity of a solution containing 4g of NaOH in 1 liter of solution?
Which of the following is the reducing agent in the reaction $CuO + H_2 \rightarrow Cu + H_2O$?
What is the formula for calculating the 'Rate of Reaction'?
The reaction $Fe + CuSO_4 \rightarrow FeSO_4 + Cu$ is a/an:
In the reaction $2Na + Cl_2 \rightarrow 2NaCl$, sodium is:
Which of the following reactions occurs in the 'Haber's Process'?