The quantity which does not change wherE sound enters from one medium to another

The gas liberated during the hydrolysis of calcium carbide and aluminium carbide are respectively and

Which is the most abundant state of matter in the universe?

The magnetic susceptibility of an ideal diamagnetic substance is:

The resistance of a wire is R the wire is stretched to doubled its length resistance of the wire becomes:

Which of the following salts does not undergo salt hydrolysis?

The most important step while drafting a letter is __________ .

Which of the following strategies is most effective in improving learners' passive skills in English?

Lev Vygotsky is associated with __________ .

Which among the following is an example of summative assessment?

According to Noam Chomsky, the Language Acquisition Device (LAD) refers to:

The final lines of the passage emphasize that
Kariko's persistence was driven mainly by :

What is to be done in a public speech in order to make it more effective

How did people address each other in the past?​

Who has formulated concept known as 'motivated school'?

Which of the following is not related to Vygotsky's view?

Retroactive interference and Pro-active interference are directly related to:

A test aimed at assessing students after teaching an instructional unit is called:

Consider the redox reaction

Which species acts as the oxidising agent in this reaction ?

The average age of 11 players of a cricket team is increased by 2 months, when two of them aged 20 years and 21 years, respectively, are replaced by two new players. Find the average age of the two new players (in years).

Find the simple interest (in ₹) on ₹3000 as a sum borrowed at 3% per year rate of interest for 4 years.

The element having the highest atomic number and mass number is

The average weight of a family of five members (in kg) whose weights are 40 kg, 49 kg, 56 kg, 70 kg and 39 kg is:

A hemispherical bowl of internal radius 15 cm contains a liquid. The liquid is to be filled into cylindrical shaped bottles of diameter 5 cm and height 6 cm. The number of bottles required to empty the bowl is:

Find the simple interest (in ₹) on ₹2500 as a sum borrowed at 3% per year rate of interest for 6 years.

The price of a computer increases by 10% in the first year, decreases by 5% in the second year, and increases by 8% in the third year. If the original price was ₹50,000, then the final price (in ₹) is:

Find the HCF of 70 and 90.

There is a 21 litres mixture of milk and water. The ratio of milk and water in the mixture is 4: 3. Find the amount of water (in litres) that should be added to this mixture so that the resulting mixture has 50% of water in it.

Bt cotton is resistant to:

When a piece of clean magnesium ribbon is heated, it burns with a dazzling white flame, Magnesium oxide is formed and heat energy is liberated. This reaction is an example for

When a piece of clean magnesium ribbon is heated, it burns with a dazzling white flame, Magnesium oxide is formed and heat energy is liberated. This reaction is an example for

A moving body has kinetic energy 100 J. The work done to stop the body is given by:

Which of the following aspects of an individual will mostly influence his achievement ?

Which of the following is a characteristic of pre-operational stage ?

Which among the following ensures the discriminating power of an achievement test?

An element belongs to period 4 and its outermost shell contains 2 electrons. The last electron is added to its penultimate shell. The four sets of quantum numbers possible for that electron present in the penultimate shell is

To convert a galvanometer into an ametre we connect:

Explicit memories and Implicit memories are the two types of :

To make a p type of semiconductor Germanium crystal, it must be doped with impurity atom whose valency is:

Which of the following is an example of ICT integrated assessment practice?

Free fall of an object in vacuum is with:

Lenz's law is a consequence of the law of conservation of

In the Lewin theory the main factors that determine behaviour are :

Normality of concentrated HCl (37%) with density 1.19 g/mL is approximately 12. What volume of the same is required to prepare 500 mL of 0.3 N HCl?

The geometry of ammonia molecule is

Kilowatt hour is the unit of

A collaborative learning strategy in which students work together to solve a problem or answer a question about assigned reading :

The best way to establish rapport with your students is to :

Which of the following strategies would be most appropriate for a teacher to interact effectively with students from diverse backgrounds ?

Which of the following is not a salt of Orthophosphoric acid ?

A. Na₃PO₄

_B.Na₂HPO₄

_C.NaH₂PO₄

_D.NaH₃PO